Man must be at once more humble and more confident; more humble in the face of destructive potentials of what he can achieve, more confident of his own humanity as against computers and robots which are only engines to simulate him.

The Russians train; they do not dare educate.

The way to prevent war is to bend every energy toward preventing it, not to proceed by the dubious indirection of preparing for it.

What is dangerous about tranquillizers is that whatever peace of mind they bring is a packaged peace of mind. Where you buy a pill and buy peace of mind with it, you get conditioned to cheap solutions instead of deep ones.

Some of the more fatuous flag-waving Americans are in danger of forgetting that you can't extract gratitude as you would extract a tooth; that unless friendship is freely given, it means nothing and less than nothing.

The crime of book purging is that it involves a rejection of the word. For the word is never absolute truth, but only man's frail and human effort to approach the truth. To reject the word is to reject the human search.

Despite the success cult, men are most deeply moved not by the reaching of the goal but by the grandness of the effort involved in getting there - or failing to get there.