The human mind, in taking us down the path of technocracy, has become the adversary of life itself and collaterally the adversary of the human soul.

Scientific truth is universal, because it is only discovered by the human brain and not made by it, as art is.

Every man gets a narrower and narrower field of knowledge in which he must be an expert in order to compete with other people. The specialist knows more and more about less and less and finally knows everything about nothing.

More than any other product of human scientific culture scientific knowledge is the collective property of all mankind.

The distance at which all shooting weapons take effect screens the killer against the stimulus sensation which would otherwise activate his killing inhibitions. The deep, emotional layers of our personality simply do not register the fact that the crooking of the finger to release a shot tears the entrails of another man.

I am convinced that of all the people on the two sides of the great curtain, the space pilots are the least likely to hate each other. Like the late Erich von Holst, I believe that the tremendous and otherwise not quite explicable public interest in space flight arises from the subconscious realization that it helps to preserve peace. May it continue to do so!

Historians will have to face the fact that natural selection determined the evolution of cultures in the same manner as it did that of species.