Genius simply cannot be reduced to a set of rules for anyone to follow.

In my view, it is the most important function of art and science to awaken this feeling and keep it alive in those who are capable of it.

Gravitation cannot be held responsible for people falling in love. How on earth can you explain in terms of chemistry and physics so important a biological phenomenon as first love? Put your hand on a stove for a minute and it seems like an hour. Sit with that special girl for an hour and it seems like a minute. That's relativity.

Germany had the misfortune of becoming poisoned, first because of plenty, and then because of want.

Mere thinking cannot reveal to us the highest purpose.

The daily struggle does not arise from a purpose or a program, but from an immediate need.

It is harder to crack prejudice than an atom.