The solution to this problem lies in the heart of mankind.

An expert is a person who has few new ideas; a beginner is a person with many.

Concern for man himself must always constitute the chief objective of all technological effort

If God has created the world, his primary worry was certainly not to make its understanding easy for us

It is difficult to say what truth is, but sometimes it is so easy to recognize a falsehood.

The individual must not merely wait and criticize, he must defend the cause the best he can. The fate of the world will be such as the world deserves.

One must shy away from questionable undertakings, even when they bear a high-sounding name.