It is the hallmark of any deep truth that its negation is also a deep truth.

If you think you understand it, that only shows that you don't know the first thing about it.

Accuracy and clarity of statement are mutually exclusive.

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.

Never express yourself more clearly than you are able to think.

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

It is very difficult to make an accurate prediction, especially about the future.