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.

In our culture we make heroes of the men who sit on top of a heap of money, and we pay attention not only to what they say in their field of competence, but to their wisdom on every other question in the world.

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.

The problem of freedom in America is that of maintaining a competition of ideas, and you do not achieve that by silencing one brand of idea.

There are almost no limits to the discoveries of how the human brain operates in illness and health, in sleep and waking and dreaming, in calm and under tension. The question is how far man can put these discoveries to use without using them not for cure but for power.

Do not confuse your vested interests with ethics. Do not identify the enemies of your privilege with the enemies of humanity.

To reject the word is to reject the human search.