What is love? When you love somebody then I mean we all want good things to happen to ourselves and keep the bad things at bay. When you love somebody you want that as much for them if not more than you do for yourself.

If you don't exert yourself, or if your exertions don't amount to much of anything, then you might as well not have bothered to have shown up for your existence at all.

And then there is Pythagoras. The legend is that the founder of theoretical mathematics was so outraged when one of his students, the haplessly gifted Hippasus, discovered irrational numbers that he sent the poor fellow out on a raft to drown, initiating a venerable tradition of professors mistreating their graduate students.

One doesn't diminish a philosopher's achievement, and doesn't undermine its soundness, by showing how the particular set of questions on which he focused, the orientation he brought to bear on his focus, has some causal connection to the circumstances of his life.

Participation in the collective life of the polis both restrains the extraordinary individual and enlarges the ordinary individual, allowing him to participate in the extraordinary. An individual can achieve participatory excellence via the accomplishments of the polis and need not always be caught up in the agnostic struggle to outdo his peers.

It was while I was studying philosophy that I came to understand. . . that it is no sign of moral or spiritual strength to believe that for which one has no evidence, neither a priori evidence as in math, nor a posteriori evidence as in science. . . . It's a violation almost immoral in its transgressiveness to shirk the responsibilities of rationality.

Plato's concern is not just an intellectual issue, but it is knitted with emotional life as well.