Do not feel envious of the happiness of those who live in a fool's paradise, for only a fool will think that is happiness.

... the word "theory" ... was originally an Orphic word, which Cornford interprets as "passionate sympathetic contemplation" ... For Pythagoras, the "passionate sympathetic contemplation" was intellectual, and issued in mathematical knowledge ... To those who have reluctantly learnt a little mathematics in school this may seem strange; but to those who have experienced the intoxicating delight of sudden understanding that mathematics gives, from time to time, to those who love it, the Pythagorean view will seem completely natural.

It's not what you have lost, but what you have left that counts.

But I simply can't stand a view limited to this earth, I feel life is so small unless it has windows into other worlds...I like mathematics largely because it is not human.

In spreading his ideas, Plato was willing to employ emotional appeals, state propaganda, and the use of force.

We have in fact, two kinds of morality, side by side: one which we preach, but do not practice, and another which we practice, but seldom preach.

Historically, it is quite doubtful whether Christ ever existed at all, and if He did we do not know anything about Him.