But the creative principle resides in mathematics. In a certain sense, therefore, I hold true that pure thought can grasp reality, as the ancients dreamed.

Pure mathematics is, in its way, the poetry of logical ideas.

Do not worry about your problems with mathematics, I assure you mine are far greater.

Since the mathematicians have invaded the theory of relativity I do not understand it myself any more.

How can it be that mathematics, being after all a product of human thought which is independent of experience, is so admirably appropriate to the objects of reality? Is human reason, then, without experience, merely by taking thought, able to fathom

The highest principles for our aspirations and judgements are given to us in the Jewish-Christian religious tradition. It is a very high goal which, with our weak powers, we can reach only very inadequately, but which gives a sure foundation to our aspirations and valuations.