Your theory is crazy, but it's not crazy enough to be true.

When it comes to atoms, language can be used only as in poetry.

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

The old saying of the two kinds of truth. To the one kind belongs statements so simple and clear that the opposite assertion obviously could not be defended. The other kind, the so-called 'deep truths', are statements in which the opposite also contains deep truth.

An expert is a man who has made all the mistakes which can be made, in a narrow field.

When searching for harmony in life one must never forget that in the drama of existence we are ourselves both actors and spectators.

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.