And anyone who thinks they can talk about quantum theory without feeling dizzy hasn't yet understood the first thing about it.

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

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

When we measure something we are forcing an undetermined, undefined world to assume an experimental value. We are not measuring the world, we are creating it.

No, no, you're not thinking; you're just being logical.

Our task is not to penetrate the essence of things, the meaning of which we do not know anyway, but rather to develop concepts which allow us to talk in a productive way about phenomena in nature

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