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Everything and More
from the goes-to-eleven dept.
Wallace may be best known for his footnotes. Virtually everything he has written from his strange but mesmerizing novel Infinite Jest to his hilarious essay about cruise ships (the title work in A Supposedly Fun Thing I'll Never Do Again) to his oddly gripping treatise on the philosophy of dictionaries ("Tense Present" in the April 2001 issue of Harper's)has been liberally sprinkled with footnotes. And what footnotes! Many go on wild tangents. Some contain sub- or sub-sub-footnotes. Others are the length of novellas and could legitimately be reprinted separately from the main work. My point is that Wallace is, at heart, a scholar. He's interested in details. Combine this with an impressive background in math and logic (though he modestly claims a "medium-strong amateur interest in math and formal systems"), and he would seem to make the perfect tour guide for infinity, a concept that seems simple enough on the surface but which we generally suspect is far more complex than we realize.
The Book's Audience and Aims
DFW (an overabundance of abbreviations is one of his most prominent literary tics, and I'll follow his lead) calls Everything and More (henceforth EAM) "a piece of pop technical writing" for "readers who do not have pro-grade technical backgrounds." But the fact of the matter is that to truly follow and understand all (or even most) of his points, one needs to know a lot of math. I'm probably typical of the average reader of EAM: I went through the standard two-year calculus cycle in high school and college, and though most of it made sense at the time, these days I generally double-check my long division. While I've had a fair amount of tertiary-level logic and formal systems coursework while studying computer science and philosophy, even those subjects have grown fuzzy with time. But I am interested in this stuff, and I have the patience and analytical practice to wade through almost any argument or proof, so I would guess that my experience with EAM is pretty close to that of most Slashdot readers.
I should note that this work is really an extended essay rather than a book. Granted, it's a 300-page essay, but that's the term DFW insists on and it seems appropriate given the lack of chapters. The only structure is provided by relatively unhelpful section headers like "4b," and the work sometimes seems to lack convenient breaking points where the reader can pause to catch a breath. This is not a criticism, but the style of the essay does demand that the reader do his best to stay aware of where he is in the overall story of infinity and to be prepared for occasional gaps in the narrative thread. Read this like a math proof with lots of reviewing and re-reading and comparing of earlier and later claims and you should do all right. It's also worth pointing out that the word "history" in the essay's subtitle is important. DFW's goal is mainly to chronicle the ways in which early and not-so-early mathematicians approached the concept of infinity, rather than to explain what infinity is useful for or to give us new ways of thinking about the term. It will probably never have the same mass appeal that more colorful but less difficult books like James Gleick's Chaos or Douglas Hofstadter's Gödel, Escher, Bach have enjoyed, but this is not necessarily a bad thing. DFW has a narrower and more technical aim, and he generally hits his target.
What EAM Covers
It's probably better to think of the essay as a series of loosely related arguments and observations rather than a single mathematical story. With this in mind, let's go through some of the essay's sections. DFW opens by discussing what it means to engage in abstract thinking, then investigates the Principle of Induction (a crucial element in the development of infinity) and explains Euclid's proof that there is no largest prime. He (re-)introduces us to a number of high school math concepts, including such things as reductio ad absurdum proofs and the difference between modus ponens and modus tollens. This refresher is very helpful; I consider the book's opening section to be worth the price of admission all by itself.Once we've got these preliminary concepts under our belt, DFW starts in with ancient Greek philosophers and mathematicians and begins constructing a vast pyramid of mathematical ideas that will eventually support Georg Cantor's notion of infinity at its tip. This nineteenth century German mathematician is the central figure in the book (to the extent that there is one), and DFW makes it clear early on that we're ultimately moving toward his ideas and his vision of infinity. A quick tour through the Greeks covers Pythagoras, Zeno's paradoxes, Aristotle's demolition thereof, and Plato's theory of forms. It's at this point that we are introduced to fascinating questions of mathematical epistemology and ontology, questions that were first mulled over by the Greeks but that remain largely unsettled even today. For example, what do we have to know in order to really know and understand a mathematical concept? And do numbers exist external to people (the Platonist view), or are they purely human constructs (the Intuitionist stance)?
DFW skips ahead to the seventeenth century, where he showcases Galileo's ideas in Two New Sciences and leads us through some of Newton's and Leibniz's independent contributions to the development of calculus. A wonderful discussion of the archetype of the insane mathematician follows (he makes the unsurprising claim that very few world-class mathematicians were terribly well-adjusted). He then chronicles the intellectual shift from math being thought of as empirical (grounded in actual things) to abstract (based on intangibles and relations between them). He does a good job of explaining how this abstraction works surprisingly well when applied to real problems (especially in engineering and physics). It's at this point (in section five of seven) that the mathematical heavy lifting begins. DFW delves deeper into calculus and the notion of limits, and significantly more mental energy is required if the reader wishes to follow carefully. Fortunately, close scrutiny isn't strictly required; even skimming this portion and picking up the thread again in section six yields good results. Now winding down, DFW introduces us to Fourier series and steps through Cantor's delightful diagonalization/denumeration proofs of the mind-warping claims that there are the same number of whole numbers as integers as rationals, and that the cardinality of the reals is larger than the cardinality of any of these other sets. A short excursis into set theory (like most of the rest of the book, it's thrown at us semi-haphazardly rather than being systematically presented), a longish explanation of Cantor's Continuum Hypothesis (a claim about the relations between the various "sizes" of infinity), and we're done. Exhausted and probably more than a little confused, but done.
EAM as a Mathematical History
There are two ways to judge EAM: as a work of mathematical history, and as a piece of English prose. I consider it adequately successful when viewed in the first light, but exemplary when viewed in the second. The math side of the book is probably best assessed by presenting a scattershot collection of my impressions, so let's start with those.
DFW is, in the main, aware of which portions will pose particular trouble for most readers. The prose is peppered with phrases like "Now you can probably feel a headache starting" or "Here's one of those places where it's simply impossible to tell whether what's just been said will make sense to a general reader," which are usually accompanied by extra explanations or illustrations to clarify the point just made. As an amateur mathematician, he may in fact be better at empathizing with his readers' difficulties than many professors are. It's hard to imagine the following passage (with its awestruck tone) appearing in a math textbook or college calculus lecture:
"Let's pause to consider the vertiginous levels of abstraction involved here. If the human CPU cannot apprehend or even really conceive of infinity, it is now apparently being asked to countenance an infinity of infinities, an infinite number of individual members of which are themselves not finitely expressible, all in an interval [0-1] so finite- and innocent-looking we use it in little kids' classrooms. All of which is just resoundingly weird."
As an example of how he leads readers around conceptual landmines, DFW is especially careful to steer us away from thinking that infinity is just a really large number. He invites us instead to consider it and its cousins to be entirely different sorts of objects than finite numbers, with very different properties. This segues into a first-rate explanation of how infinity-related paradoxes (including Zeno's famous arrow paradoxes) often go away, or more properly, cannot be meaningfully stated, once we stop treating infinity as a normal number or (for certain paradoxes) once we are clear on the difference between zero and nothing (or "not applicable"). These are nonobvious points that I had never considered, but which make perfect sense once carefully laid out and illustrated. Resolving these paradoxes turns out to be a crucial propelling force in the history of infinity: "By this point you've almost certainly discerned the Story of Infinity's overall dynamic, whereby certain paradoxes give rise to conceptual advances that can handle those original paradoxes but in turn give rise to new paradoxes, which then generate further conceptual advances, and so on."
Even if you're relatively uninterested in the concept of infinity, DFW's broad and extraordinarily literate survey of concepts like abstractness, limits, and induction make the book worthwhile. He does an especially good job of explaining the nature of abstraction and why abstract thinking is so difficult. The essay is replete with facts not directly relevant to infinity but still interesting to the scientifically inclined. For example, it turns out that 5 x 10^-44 seconds is generally acknowledged to be the smallest interval in which the normal concept of continuous time applies. And Bremermann's Limit (2.56 x 20^92) is the theoretical limit of the number of bits of information that could have been processed by the most powerful computer that could exist on earth (a computer with the mass of the earth that has existed as long as the earth). Problems involving more data than this (such can be found in statistical physics) are considered transcomputable, or not computable in any meaningful sense. These geeky trivia won't improve your life in any way, but it does stave off some of the inevitable monotony of pure math writing.
DFW has lots to say about mathematical pedagogy, including this harsh indictment:
"Rarely do math classes ever tell us whether a certain formula is truly significant, or why, or where it came from, or what was at stake.... And, of course, rarely do students think to ask the formulas alone take so much work to 'understand' (i.e., to be able to solve problems correctly with), we often aren't aware that we don't understand them at all. That we end up not even knowing that we don't know is the really insidious part of most math classes."
Perhaps this concern for how math is taught leads him to focus his efforts strictly on core concepts rather than on the biographical gossip so often found in popular science writing. There are some fun notes about Cantor's personal life, but he's the only one who gets an extended biographical exegesis. This appears to be a conscious and reasoned decision on his part rather than an oversight ("Again, most of this personal stuff we're skipping") and I think it is a wise strategic move in that it keeps the reader's attention focused and undistracted.
As expected, this work does indeed swim in a sea of footnotes. DFW fans would be disappointed in anything less, but I have to confess to lightly skimming most of the footnotes after the first third of the essay. The most difficult or technical notes are marked "IYI" (for "If You're Interested"), but even the non-IYIspasm notes are full of some pretty thorny math; I found that they often proved more confusing than helpful. But readers more familiar with the subject matter might appreciate the additional historical context and suggestions for further exploration provided in the footnotes.
Overall, EAM is more successful at explaining the small problems, paradoxes, and steps in the creation of infinity than it is at stringing them all together into a coherent, easily followed, transparently structured whole. As an example of how well DFW deals with the small-scale issues, consider the following mind-boggling concept. It is of course impossible to fully wrap your mind around this sort of thing, but in the text that follows this quotation he does a sterling job of steering us toward comprehension:
"The Number Line is obviously infinitely long and comprises an infinity of points. Even so, there are just as many points in the interval 0-1 as there are on the whole Number Line. In fact, there are as many points in the interval .00000000001-.00000000002 as there are on the whole N. L. It also turns out that there are as many points in the above micro-interval (or one one-quadrillionth its size, if you like) as there are on a 2D plane, even if that plane is infinitely larger in any 3D shape, or in all of infinite 3D space itself."
On a similar theme, DFW gives a brilliantly simple and utterly convincing explanation of the cortex-withering claim that "the number of points in the closed-interval [0,1] is ultimately equal to the infinity of points on the whole Real Line stretching infinitely in both directions." But (and this is my biggest criticism) this essay really has to be read twice (or more) to get anywhere near full comprehension of the material. In this respect, it's a lot like an extended math proof or a very long philosophy paper. Repeated exposure makes it easier to follow the narrative flow and string the arguments and proofs together into a consistent thread of thought rather than isolated, self-contained concepts.
EAM as a Literary Work
As mentioned above, where EAM really shines is not as a math history, but rather as an example of pure writing. DFW's prose is clear, precise, witty, and creative. His literary idiosyncrasies may be an acquired taste, but once the reader gets used to the aesthetic feel of the essay it becomes hard not to consider it a stylistic tour de force. In many ways this doesn't feel like a math book at all. This is perhaps not surprising given that the author is, after all, mainly a novelist. He loves to make up words, use obscure words, or use common words in strange new ways. Your appreciation for this style will vary depending on your tolerance for neologisms like homodontic (meaning "having only a single type of tooth") or epistoschizoid (meaning, well, your guess is as good as mine), or unusual punctuation (Does he really need parentheses nested inside of other parentheses? As it turns out, yes.). But you also get exposed to real (and entertaining) words like clonic (involving muscle spasms -- nothing to do with clones), cephalalgia (headache), and peruke (the goofy hats worn by Dutch burghers in seventeenth century portraits). Sometimes it doesn't quite work (What does "We are now once again sort of out over our skis, chronologically speaking" mean? Anyone?), but the overall effect is a refreshing and fun change of pace from standard math or science writing.
DFW uses shorthand to an almost pathological degree. This takes some getting used to, but ultimately it makes his text wonderfully compact (OK, his sentences can be almost unparsably long, but he packs a ton of content into each one) and produces virtually no loss of comprehension. The text is sprinkled with abbreviations like "w/r/t" for "with respect to" and useful sentence fragments like "Meaning it doesn't seem logically impossible or anything," and "Goes on forever." This sort of shorthand is pervasive, but really is more of a help than a hindrance. They may not be everyone's cup of tea, but informal parenthetical phrases such as "they're reversed from the axes in the motion-type graphs you're apt to have had in school (long story; good reasons)" are usually very helpful and inject a nicely colloquial tone into a topic that is traditionally treated in the most formal (and dullest) of styles. Descriptions like this are what keep you going when the math gets tough:
"[T]he whole enterprise becom[es] such a towering baklava of abstractions and abstractions of abstractions that you pretty much have to pretend that everything you're manipulating is an actual, tangible thing or else you get so abstracted that you can't even sharpen your pencil, much less do any math."
Everything and More: A Compact History of Infinity is more or less what its title promises. I found it well worth the (not insignificant) effort to plow through, and I recommend it to anyone interested in mathematical and/or intellectual history, or to anyone curious about how difficult mathematical concepts can be discussed in a lively and engaging way. While most readers won't be able to follow all of the subtleties of his arguments with just one pass through the text, a single pass can still be well worthwhile. Those looking for an introduction to David Foster Wallace would be better served by one of his less difficult books (I especially recommend A Supposedly Fun Thing I'll Never Do Again), but for fans of his more technical, scholarly essays, this book is a welcome arrival.
Chris Cowell-Shah is a consultant with Accenture Technology Labs, the R&D branch of Accenture. His website is cowell-shah.com. You can purchase Everything and More: A Compact History of Infinity from bn.com. Slashdot welcomes readers' book reviews -- to see your own review here, read the book review guidelines, then visit the submission page.
I read it (Score:5, Funny)
Actually (Score:3, Funny)
Re:Actually (Score:3, Funny)
Do I have to read the book to know the difference between these two, or can I just rent the movie?
Readers might also enjoy (Score:5, Interesting)
Sounds similar in concept, though from the review, it seems to me like the Zero book is a lighter read.
Re:Readers might also enjoy (Score:5, Funny)
No pun intended.
Parent
Impromptu "Ask SlashMath" (Score:2)
I don't think this is as simple as a monkey-case of "I have ALL the food" versus "I'm starving," but more of a rigorously defined "This is mathematical zero" and "This is mathematical infinity." I'd be interested in hearing from a (certified?) Mathematical Historian about when/where/under-what-circumstances each of these ideas evolved.
Re:Impromptu "Ask SlashMath" (Score:2)
Re:Impromptu "Ask SlashMath" (Score:2)
Re:Impromptu "Ask SlashMath" (Score:5, Informative)
Well, I'm no certified mathematical historian, but I don't know if you'll find one on Slashdot.
The standard claim is that zero was invented in India around the 7th century, as wikipedia says [wikipedia.org]. There is some controversy over this, largely because other cultures had previously invented various forms of placeholders to indicate 'nothing' or 'no value', but I don't think there's any proof that these placeholders had been elevated to the class of an actual number.
The notion of infinity is rather older than this, going back to the Greeks. One early mention of the concept was by Aristotle [wikipedia.org] in Physics:
"... it is always possible to think of a larger number: for the number of times a magnitude can be bisected is infinite. Hence the infinite is potential, never actual; the number of parts that can be taken always surpasses any assigned number." [Physics 207b8]
It does make some sense that the notion of infinity precedes zero, simply because it's easy to think of bigger and bigger numbers, wonder if they ever stop, and realize they cannot. This is an intuitive argument, though, and its plausibility may depend heavily on the historical development of these ideas.
Parent
Try Mystery of the Aleph (Score:4, Interesting)
"The Mystery of the Aleph: Mathematics, the Kabbalah, and the Search for Infinity"
And it's still the best book which also contains a lot of very interesting biographical treatments of Cantor, the father of the modern theories.
Of course nothing replaces actually reading the original (English-translated) works of say the great Georg Cantor or my favorite, Bertrand Russel. If you have the mathematical fortitude I highly recommend those, there is so much detail in those, not just mathematical but philosophical as well. Dover publishers is a great source to find these important original translated works of lots of mathemeticians, and they are surprisinly cheap too.
Parent
Re:Try Mystery of the Aleph (Score:5, Insightful)
"The Mystery of the Aleph: Mathematics, the Kabbalah, and the Search for Infinity"
I read this book. (Actually, I bought it from Aczel himself, when I saw him speak.) The title certainly sounds meaty, and I figured the author was enough of a mathematician that he couldn't be outright lying when he connected Cantor's work with Jewish mysticism.
The book was, unfortunately, way too light and fluffy. And he seems to put wayyy too much emphasis on the mystic implications of what is really just simple notation. Sure, the cardinality of the natural numbers is denoted by aleph, but does that really have anything to do with the mystic aleph, except as a coincidence?
There was also a bit too much of the "mad Icarus" imagery in the book with regard to Cantor. Mathematicians are often not the most stable people around, but the insane ones aren't all cutting-edge theorists driven to madness by the profundity of their ideas, which are too great for a fragile human vessel; some of them are just plain nuts. With Cantor it's kind of hard to say, though he fits the bill more than most.
Of course nothing replaces actually reading the original (English-translated) works of say the great Georg Cantor or my favorite, Bertrand Russel.
Sorry if I'm being a bit unfair here, but the fact that you mispelled Russell's name makes be a bit suspicious about whether you're really read Principia. Adding to this suspicion is the fact that I don't know anyone personally who's actually read Cantor, simply because the set-theoretic language and notation has changed so much since his time. Apologies if my suspicion is unjustified.
Parent
Re:Readers might also enjoy ... other numbers (Score:5, Informative)
e: The story of a number [amazon.com] really expanded my mind.
An imaginary tale [amazon.com] really grabbed my imagination.
Parent
Re:Readers might also enjoy (Score:5, Interesting)
Parent
So Light As To Be Tripe (Score:3, Interesting)
Everything & More sounds much more like the way math books should be.
Less difficult? (Score:4, Funny)
If GEB is less difficult, count me out!
GEB Is For Laymen Only (Score:3, Interesting)
The pop
More difficult than GEB? (Score:4, Informative)
So.... (Score:2)
Re:So.... (Score:2, Informative)
Yes, it does. My calc1 prof showed us the proof.
I can't remember the whole proof (it's been many many years since i took calc1), but here's the gist of the idea:
start with 0.9, you add 0.1 to it to get 1.
then look at 0.99, you add 0.01 to it to get 1.
now look at 0.999, you add 0.001 to it to get 1.
repeating infinitely, you would eventually need an infinite number of zeros before the 1 to be able to add it to the repeating 9.
That infinitessimally small number
Re:So.... (Score:2)
all you've done is transform the question of whether or not .999... = 1 to whether or not .00001 = 0! here's a stronger argument:
.999...
let r =
then 10r = 9.999...
and 10r - r = 9,
so 9r = 9,
and r = 1.
voila! you can use the same argument to find the rational form of a
Re:So.... (Score:2)
As an arbitrary example of using it on another repeating irrational number (useful in that it there are fewer 9s involved):
What's 0.151515... ?
100r = 15.151515...
100r - r = 15
99r = 15
r = 15 / 99 = 5 / 33
Spifftastic!
Re:So.... (Score:2)
hmm... i don't buy it! 10r would only end in zero if there were a finite number of 9's in the mantissa. after all, when you say r = .999...9 you imply there is a "last" 9, which i reject.
;-) convince me o
what this really illustrates is how difficult and subtle the representation of real numbers as decimal sequences is. even things like addition and multiplication aren't very clear. what is pi + e anyhow...
anyway, i still think i'm right
Re:So.... (Score:5, Funny)
A: Yes, for sufficiently small values of 1.
Parent
Re:So.... (Score:3, Informative)
1=1/9*9=0.99999999(9)
Better one... (Score:5, Funny)
Parent
Re:Better one... (Score:3, Interesting)
- Begin with two points A and B that lie on opposite ends of a semi-circle with diameter 2. Let us call the length of the curve between A and B pi.
- Take a point equidistant to A and B, C, that lies on two smaller semi-circles, AC and CB. Note that the length of the curves AC + CB is still pi, and the height of the curve above the straight line AB is less than the height of the AB circle above the line AB.
- Repeat this. As you do this an i
Explanation of number systems (Score:2)
You're right, in the sense that 0.9... with any finite number of nines after it would approach 1 as a limit, as the number of nines goes to infinity.
But with real numbers, in theoretical terms, you're allowed to have numbers with infinite decimal expansions. Not just
One book I enjoyed on infinity (Score:2)
Re:One book I enjoyed on infinity (Score:2)
Rudy Rucker also has a non-fiction book about infinity that I liked more than White Light: "Infinity and the Mind, The Science and Philosophy of the Infinite"
slammed by more than a few... (Score:5, Informative)
However, the reports on Everything and More have not been good. The reviewers who have demonstrated some understanding of the mathematics involved (not particular heavy, but somewhat obscure), have come down pretty hard on DFW for his errors. Here [lrb.co.uk] is a representative review (from the LRB), which covers DFW's book and a slew of other "books on infinity" at once:
"As for Wallace's book, the less said, the better. It's a sloppy production, including neither an index nor a table of contents, and after a while his breezy style grates. No one who is unfamiliar with the ideas behind his dense, user-unfriendly mathematical expositions could work their way through them to gain any insight into what he is talking about. Worse, anyone who is already familiar with these ideas will see that his expositions are often riddled with mistakes. The sections on set theory, in particular, are a disaster."
(You might put this down to academic anxiety, since the reviewer, A. W. Moore, is a professional philosopher with an anthology on "infinity" to his name as well.)
It is strange, since DFW did spend part of his youth (not the alcohol and drug-addicted part) in a philosophy and logic Ph.D. program. I'm not sure if I'll read it; on the bright side, he has a new collection of short stories coming out in June [amazon.com].
Re:slammed by more than a few... (Score:2)
Not only is this optimism controversial and expressed without adequate justification, it is also inconsistent with the equally controversial and equally unjustified pessimism expressed on the final page of the main text, where we are told that a problem with which Cantor wrestled throughout his life - whether any set is intermediate in size between the set of positive integers and the set of sets of positive integers - is
Also try... (Score:2)
Common misconception (Score:2)
I, for one, grew out of being mystified by infinity shortly after I graduated middle school and began to learn about trul
Re:Common misconception (Score:2)
Maybe because you've been drinking for over 2 days, non stop?
Then again, its friday night. So as drunk as you probably are right now, I can see how this can be a bit of a mystery at the moment
rational and irrational (Score:2)
Discuss.
I'd be interested, but.. (Score:2)
Obfuscation (Score:3, Interesting)
This book will just convince people who read it that this stuff is obscure jargon-ridden crap that only lunatics are involved in... stay out, because you're too stupid to understand all this.
concept of... (Score:2, Insightful)
We are now once again sort of out over our skis... (Score:2)
I think we're getting a bit dangerously ahead of ourselves, here....
I caught an interview about infinty (Score:5, Funny)
Child: "what's the biggest number there is?"
Mathematician: "what do you think it is"
Child: "um, 380?"
Mathematician: "but if you add one to that, don't you get 381"?
Child: "Wow!"
(pause, in which the mathematician assumes the child has grasped the idea that you can ALWAYS add 1 and get a bigger number)
Child" "I was really close, wasn't I?"
Re:I caught an interview about infinty (Score:3, Interesting)
Basically, there's a town that mines 'numbers' from the ground. They say they mine every number. The kid asks what's the biggest number they get, and they show him a huge number 8. he then says, "no, i mean, what's the longest number" and they show him a number 25 that
Bueller? Anyone? Anyone? (Score:2)
So, I think it's kind of a complex way of saying "we're getting ahead of ourselves, here." I don't imagine that he's implying we're about to do a temporal face-plant, just that we've gone wandering forwards towards the end before we've really explored the middle.
Otherwise, I'm about 85% of the way thru (given that I've just started section 7), and find it a good read (if sloggy to get thru), and share your
in keeping with (IKW) (Score:2, Funny)
SSLKJM SSDOL! MKLWPYQ, LKJYXMK. TAFN.
New SQL value (Score:5, Funny)
SELECT * FROM Articles WHERE Len(ReviewText) = INFINITY
RESULT
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In case you read this far, I don't really have a point, but it is Friday afternoon, so I have an excuse.
Infinity in a nutshell (Score:2)
The Cream of Wheat box.
Ok, let me explain. On the old Cream of Wheat box, there's a picture of a man. In that picture, that man is holding a Cream of Wheat box, which of course has a picture of a man on it, holding a box of delicious Cream of Wheat. Rinse. Lather. Repeat. Infinite recursion at it's finest!
DFW!!! (Score:2)
I have nothing else to contribute.
Re:Infinity: (Score:2)
I don't know. Does time even exist? (Score:2)
I'm guessing that stripping away those constants and redeveloping moder
Re:I don't know. Does time even exist? (Score:2)
IMHO Your whole premise is wrong. Lack of understanding something is
Re:I don't know. Does time even exist? (Score:3, Interesting)