We depend on our words... Our task is to communicate experience and ideas to others. We must strive continually to extend the scope of our description, but in such a way that our messages do not thereby lose their objective or unambiguous character... We are suspended in language in such a way that we cannot say what is up and what is down. The word "reality" is also a word, a word which we must learn to use correctly.

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

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

It is very difficult to make an accurate prediction, especially about the future.

Prediction is difficult, especially the future.

A physicist is just an atom's way of looking at itself.

Never express yourself more clearly than you are able to think.