There are infinite possibilities of error, and more cranks take up fashionable untruths than unfashionable truths.

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.

Sacrifice is a sacred service.

Every child gets a good mother, but not every mother gets a good child.

If people just want to be famous, that's just not enough to get you up at 4 in the morning to go to work. You have to love what you're doing.

It seems that American patriotism measures itself against an outcast group. The right Americans are the right Americans because they're not like the wrong Americans, who are not really Americans.

I have a great, great body.

A theory that you can't explain to a bartender is probably no damn good.

Who is so brave and so noble that they could hurl themselves at infinity without any question, with complete trust and complete certainty that that infinity will destroy them forever?

Technology will have moved on to an unimaginable level in ten years.

To people in my industry I'm usually a guy that tries to generate his own projects and I remain very elusive when people try and attach me to big projects.

Sorrow is the mere rust of the soul. Activity will cleanse and brighten it.