Prediction is very difficult, especially if it's about the future.

Rutherford is a man you can rely on; he comes regularly and enquires how things are going and talks about the smallest details - Rutherford is such an outstanding man and really interested in the work of all the people around him.

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

You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth.

The meaning of life consists in the fact that it makes no sense to say that life has no meaning.

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.

Accuracy and clarity of statement are mutually exclusive.