God always takes the simplest way.

Mere unbelief in a personal God is no philosophy at all.

I must try, however, as best I can, although I am very conscious of the fact that our feelings and strivings are often contradictory and obscure and that they cannot be expressed in easy and simple formulas.

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

We know nothing at all. All our knowledge is but the knowledge of schoolchildren. The real nature of things we shall never know.

Numerous are the academic professors, but rare are wise and noble teachers.

Knowledge and ego are directly related. the less knowledge, the greater the ego