“Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.”

There are some things so serious you have to laugh at them.

One must always do what one really cannot.

There is no hope for any speculation that does not look absurd at first glance.

The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.

If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.

If we couldn’t laugh at ourselves, that would be the end of everything.

An expert is a man who has made all the mistakes which can be made, in a narrow field.

Physics is the belief that a simple and consistent description of nature is possible.

Some subjects are so serious that one can only joke about them.

Sometimes the child in one behaves a certain way and the rest of oneself follows behind, slowly shaking its head.

It is, indeed, perhaps the greatest prospect of humanistic studies to contribute through an increasing knowledge of the history of cultural development to that gradual removal of prejudices which is the common aim of all science.

We all know your idea is crazy. The question is whether it is crazy enough.

When it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images and establishing mental connections.

Everything we call real is made of things that cannot be regarded as real.

It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we say about nature.

If you aren’t confused by quantum mechanics, you haven’t really understood it.

Change is vital to any actor. If you keep playing lead after lead, you’re really gonna dry up. Because all those vehicles wean you away from the truths of human behaviour.

There’s the hype stuff that people love for five minutes and then there’s the stuff that changes cultures and shifts how you look at music. And then there’s that rare point where that hype stuff changes the game.

It doesn’t matter how strong your opinions are. If you don’t use your power for positive change, you are, indeed, part of the problem.

Progress is a nice word. But change is its motivator. And change has its enemies.

If that vital spark that we find in a grain of wheat can pass unchanged through countless deaths and resurrections, will the spirit of man be unable to pass from this body to another?

Let a new place change you; come back different.

I can’t change myself. I’m Mike Tyson. I’m a regular kid from the getto striving to do something positive with myself. I happen to fight well.

Changing your nature is the hardest thing to do. But I discovered that you can be who you choose to be.