Nothing that I can do or say will change the structure of the universe. But maybe, by raising my voice, I can help the greatest of all causes — good will among men and peace on earth.

We must recognize what in our accepted tradition is damaging to our fate and dignity-and shape our lives accordingly.

God does not care about our mathematical difficulties. He integrates empirically.

Qualities I sought in a scientific theory were naturalness, inner perfection and logical simplicity from an aesthetic approach.

How vile and despicable war seems to me! I would rather be hacked to pieces than take part in such an abominable business.

It is the duty of every citizen according to his best capacities to give validity to his convictions in political affairs.

Nothing truly valuable arises from ambition or from a mere sense of duty; it stems rather from love and devotion towards men and towards objective things.