"Intellectual brilliance is no guarantee against being dead wrong."

"There are problems connected with infidelity and problems connected with being faithful at any cost, and I am for letting those concerned choose the problems they'd prefer. There need not be one rule …"

"Thousands of years ago, tribes of human beings suffered great privations in the struggle to survive. In this struggle it was important not only to be able to handle a club, but also to possess the abi…"

"Herbert Spencer" by William Sweet in The Internet Encyclopedia of Philosophy"

"A psychological space is established for any set of stimuli by determining metric distances between the stimuli such that the probability that a response learned to any stimulus will generalize to any…"