Modern man thinks he loses something - time - when he does not do things quickly. Yet he does not know what to do with the time he gains, except kill it.

The danger of the past was that men became slaves. The danger of the future is that men may become robots. True enough, robots do not rebel. But given man's nature, robots cannot live and remain sane, they become ''Golems',' they will destroy their world and themselves because they cannot stand any longer the boredom of a meaningless life.

The successful revolutionary is a statesman, the unsuccessful one a criminal.

Love of others and love of ourselves are not alternatives. On the contrary, an attitude of love towards themselves will be found in all those who are capable of loving others.

We have a religious renaissance today in America, as many people say. I would say this religious renaissance, ninety percent of it is the greatest danger true religious experience has ever been confronted with.

When the theory of evolution destroyed the picture of God as the supreme Creator, confidence in God as the all-powerful Father of man fell with it, although many were able to combine a belief in God with the acceptance of the Darwinian theory.

We may know ourselves, and yet even with all the efforts we make, we do not know ourselves. We know our fellowman, and yet we do not know him, because we are not a thing, and our fellowman is not a thing. The further we reach into the depths of our being, on someone else's being, the more the goal of knowledge eludes us.