dbune writes: Young people who argue with their parents over wearing the same pair of smelly and tattered jeans could not cite an experiment that what they are doing may not be unhealthy at all. They can cite the case of a 20-year old University of Alberta student who wore the same $167 Nudie Jeans pair for 15 months straight or about....
Mathematics deals exclusively with the relations of concepts
to each other without consideration of their relation to experience.
-- Albert Einstein