An expert is a man who has made all the mistakes which can be made, in a narrow field.
If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.
There are trivial truths and the great truths. The opposite of a trivial truth is plainly false. The opposite of a great truth is also true.
No, no, you're not thinking; you're just being logical.
Prediction is very difficult, especially if it's about the future.
Never express yourself more clearly than you are able to think.
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.
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