If I had only one hour to save the world, I would spend fifty-five minutes defining the problem, and only five minutes finding the solution.

The splitting of the atom has changed everything except for how we think.

Consider the concepts referred to in the words 'where', 'when', 'why', 'being', to the elucidation of which innumerable volumes of philosophy have been devoted. We fare no better in our speculations than a fish which should strive to become clear as to what is water.

Nothing happens until something moves. When something vibrates, the electrons of the entire universe resonate with it. Everything is connected.

What can the schools do to defend democracy? Should they preach a specific political doctrine? I believe they should not. If they are able to teach young people to have a critical mind and a socially oriented attitude, they will have done all that is necessary.

The state is made for man, not man for the state.... That is to say, the state should be our servant and not we its slaves

Only the [Catholic] Church stood squarely across the path of Hitler’s campaign for suppressing truth. I never had any special interest in the Church before, but now I feel a great affection and admiration because the Church alone has had the courage and persistence to stand for intellectual truth and moral freedom. I am forced thus to confess that what I once despised I now praise unreservedly.