Nothing exists until it is measured.
Some things are so serious, they can only be joked about.
We are trapped by language to such a degree that every attempt to formulate insight is a play on words.
If you think you understand it, that only shows that you don't know the first thing about it.
An expert is a man who has made all the mistakes which can be made, in a narrow field.
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.