The opposite of every great idea is another great idea.
If you aren't confused by quantum mechanics, you haven't really understood it.
If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.
Accuracy and clarity of statement are mutually exclusive.
The meaning of life consists in the fact that it makes no sense to say that life has no meaning.
There are two sorts of truth: trivialities, where opposites are clearly absurd, and profound truths, recognised by the fact that the opposite is also a profound truth