That Plato's Republic should have been admired, on its political side, by decent people, is perhaps the most astonishing example of literary snobbery in all history.

The good life is one inspired by love and guided by knowledge.

The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.

The time you enjoy wasting is not wasted time.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

Men are born ignorant, not stupid. They are made stupid by education.

An Honest politician will not be tolerated by a democracy unless he is very stupid ... because only a very stupid man can honestly share the prejudices of more than half the nation.

If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have a paradise in a few years.

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.

The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd.

Cruel men believe in a cruel god and use their belief to excuse their cruelty. Only kindly men believe in a kindly god, and they would be kindly in any case.

But if we are truly happy inside, then age brings with it a maturity, a depth, and a power that only magnifies our radiance.

I believe in living today. Not in yesterday, nor in tomorrow.

If one is not virtuous he becomes vicious.

What this means is that we shouldn't abbreviate the truth but rather get a new method of presentation.

You need a danger to be safe in.

I said it before we arrived in Athens, that we wanted to prove to the world that our bronze medal in Sweden was not a fluke, and we have achieved this.

In the main, and from the beginning of time, mysticism has kept men sane. The thing that has driven them mad was logic.

The hell what you USED to do! It's what you're doing NOW and what you're GOING to do.

I'm the classic absent-minded professor: I'm very focused on something, and meanwhile, I've left the refrigerator door open for hours.