One of the easiest ways to be irresponsible about power is to forget you have it.

When inward life dries up, when feeling decreases and apathy increases, when one cannot affect or even genuinely touch another person, violence flares up as a daimonic necessity for contact, a mad drive forcing touch in the most direct way possible.

Freedom does not come automatically; it is achieved. And it is not gained in a single bound; it must be achieved each day.

Insight comes at a moment of transition between work and relaxation.

One does not become fully human painlessly.

It is dangerous to know, but it is more dangerous not to know.

What is courage? This courage will not be the opposite of despair. We shall often be faced with despair, as indeed every sensitive person has been during the last several decades in this country. Hence Kierkegaard and Nietzsche and Camus and Sartre have proclaimed that courage is not the absence of despair; it is, rather, the capacity to move ahead in spite of despair.