“For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.”

Science is what we have learned about how to keep from fooling ourselves.

Science is the organized skepticism in the reliability of expert opinion.

Nobody ever figures out what life is all about, and it doesn’t matter. Explore the world. Nearly everything is really interesting if you go into it deeply enough.

The first principle is that you must not fool yourself and you are the easiest person to fool.

I think we should teach them [the people] wonders and that the purpose of knowledge is to appreciate wonders even more.

I have no responsibility to live up to what others expect of me. That’s their mistake, not my failing.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

I learned from my father to translate: everything I read I try to figure out what it really means, what it’s really saying.

You can’t say A is made of B or vice versa. All mass is interaction.

The highest forms of understanding we can achieve are laughter and human compassion.

But there is nothing in biology yet found that indicates the inevitability of death.

A philosopher once said, It is necessary for the very existence of science that the same conditions always produce the same results. Well, they don’t!

I couldn’t claim that I was smarter than sixty-five other guys-but the average of sixty-five other guys, certainly!

Science is a way of trying not to fool yourself. The principle is that you must not fool yourself, and you are the easiest person to fool.

It doesn’t matter how beautiful your theory is, it doesn’t matter how smart you are. If it doesn’t agree with experiment, it’s wrong.

Science is like sex: sometimes something useful comes out, but that is not the reason we are doing it.

I truly believed that tonight would never happen, that I would never sing these songs to you again. But then I’m a fool, which you’ve probably worked out by now.

That fame monster’s a fool, man. It really is.

You can fool people. You can fool anybody anytime of the day, but you can’t fool yourself. At night, when you go home, you’ve got to be straight up with you.

Fool me once, shame on you. Fool me twice, and watch me spark like a match tossed to tinder.

It is because of our foolishness that we forget who God is.

The most important thing in life is not simply to capitalize on your gains. Any fool can do that. The important thing is to profit from your losses. That requires intelligence, and makes the difference between a man of sense and a fool.

Any fool can criticize, condemn and complain – and most fools do. But it takes character and self control to be understanding and forgiving.

The man of action is not the headstrong fool who rushes into danger with no thought for himself, but the man who puts into practice the things he knows.