No paradox, no progress.
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.
An expert is a man who has made all the mistakes which can be made, in a narrow field.
Predictions are hard, especially abot the future.
Einstein, stop telling God what to do!
The meaning of life consists in the fact that it makes no sense to say that life has no meaning.