The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.
Prediction is difficult, especially the future.
If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.
When it comes to atoms, language can be used only as in poetry.
A physicist is just an atom's way of looking at itself.
The meaning of life consists in the fact that it makes no sense to say that life has no meaning.