Figuring out how to think about the problem.

Do you believe in immortality? No, and one life is enough for me.

If you want to make your children brilliant, tell them fairy tales. If you want to make them more brilliant, tell them more fairy tales.

We should be on our guard not to overestimate science and scientific methods when it is a question of human problems, and we should not assume that experts are the only ones who have the right to express themselves on questions affecting the organization of society.

This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion.

Many a young lady does not realize just how strong her love for a young man is until he fails to pass the approval test with her parents. There is no fear in love; but perfect love casteth out fear. Of all forms of caution, caution in love is the most fatal. There are only two truly infinite things, the universe and stupidity. And I am unsure about the universe.

I never think of the future. It comes soon enough. When visiting the U.S. from Germany for a winter academic stay.