I like neither new clothes nor new kinds of food.

The discovery of nuclear reactions need not bring about the destruction of mankind any more than the discovery of matches.

Figuring out how to think about the problem.

Epistemology without contact with science becomes an empty scheme. Science without epistemology is-insofar as it is thinkable at all-primitive and muddled.

Smoke like a chimney, work like a horse, eat without thinking, go for a walk only in really pleasant company.

The aim (of education) must be the training of independently acting and thinking individuals who, however, see in the service to the community their highest life problem.

Falling in love is not at all the most stupid thing that people do - but gravitation cannot be held responsible for it.