The conflict that exists today is no more than an old-style struggle for power, once again presented to mankind in semireligious trappings. The difference is that, this time, the development of atomic power has imbued the struggle with a ghostly character; for both parties know and admit that, should the quarrel deteriorate into actual war, mankind is doomed.

Fantasie is belangrijker dan kennis, want kennis is begrensd.

Stupidity is a personal achievement which transcends national boundaries.

It is our American habit if we find the foundations of our educational structure unsatisfactory to add another story or wing.

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

I never made one of my discoveries through the process of rational thinking

I am an absolute pacifist...It is an instinctive feeling. It is a feeling that possesses me, because the murder of men is disgusting.