To take those fools in clerical garb seriously is to show them too much honor.

I have not eaten enough of the tree of knowledge, though in my profession I am obligated to feed on it regularly.

A man must learn to understand the motives of human beings, their illusions, and their sufferings.

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

One should guard against preaching to young people success in the customary form as the main aim in life. The most important motive for work in school and in life is pleasure in work, pleasure in its result, and the knowledge of the value of the result to the community.

Thanks to my fortunate idea of introducing the relativity principle into physics, you (and others) now enormously overrate my scientific abilities, to the point where this makes me quite uncomfortable.

Raffiniert ist der Herr Gott, aber boshaft ist er nicht. God is subtle, but he is not malicious.