Richard Feynman

We choose to examine a phenomenon which is impossible, absolutely impossible, to explain in any classical way, and which has in it the heart of quantum mechanics. In reality, it contains the only mystery.

Do not keep saying to yourself, if you can possibly avoid it, 'But how can it be like that?' because you will get 'down the drain,' into a blind alley from which nobody has yet escaped.

Nobody understands quantum mechanics... It is the theory which describes Nature as absurd from the point of view of common sense.

The Feynman path integral approach is a way of computing the amplitude for various events to happen.

I think it's much more interesting to live not knowing than to have answers which might be wrong.

The opposite of a correct statement is a false statement. But the opposite of a profound truth may be another profound truth.

You don't have to understand the world. You just have to find your way around in it.

I wanted to be a private detective, but I couldn't find one to take me on as an apprentice.

The first rule is not to fool yourself. And you are the easiest one to fool.

A poet can write about a turn in the road on a rainy night, but a scientist cannot.

Art is the expression of the imagination, science is the expression of the intellect.

I like to play Brazilian music on the drums. It's fun.

Drawing is like making an expressive gesture with the advantage of permanence.

The beauty of science is in its ability to surprise us.

Life is a preparation for the future; and the best preparation for the future is to live as if there were none.

We must be careful not to confuse education with indoctrination.

The problem is not that there are problems. The problem is expecting things to be easy and not facing facts.

Humor is the only thing that keeps me going sometimes.

Politics is for the present, but science is for the future.

I am not an advocate for frequent changes in laws and constitutions, but laws and institutions must go hand in hand with the progress of the human mind.