“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.”

Innovation is a very difficult thing in the real world

Philosophy of science is about as useful to scientists as ornithology is to birds.

If you thought that science was certain – well, that is just an error on your part.

The things that mattered were honesty, independence, willingness to admit ignorance.

Of course, you only live one life, and you make all your mistakes, and learn what not to do, and that’s the end of you.

I always do that, get into something and see how far I can go.

There are thousands of years in the past, and there is an unknown amount of time in the future. There are all kinds of opportunities, and there are all kinds of dangers.

What I cannot create, I do not understand.

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

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

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

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.

We love people who can break our heart easily.

It is failure that is easy. Success is always hard.

If you get a chance, take it. If it changes your life, let it. Nobody said it’d be easy, they just promised it would be worth it.

Killing is not so easy as the innocent believe.

Killing is not so easy as the innocent believe.

Life is not meant to be easy, my child; but take courage: it can be delightful.

It’s much easier to stay out of trouble now than to get out of trouble later.

Do what is easy and your life will be hard. Do what is hard and your life will become easy.