I think we have to safeguard ourselves against people who are a menace to others, quite apart from what may have motivated their deeds.

Science has gone a long way toward helping man to free himself from the burden of hard labor; yet, science itself is not a liberator. It creates means, not goals. It is up to men to utilize those means to achieve reasonable goals.

I believe the most important mission of the state is to protect the individual and make it possible for him to develop into a creative personality.

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.

I think we have to safeguard ourselves against people who are a menace to others, quite apart from what may have motivated their deeds.

The trouble with the younger generation is that they don't stay young for very long.

The facts, although interesting, are irrelevant.