I have repeatedly stressed that the selfish impulses of man constitute a much less historic danger than his integrative tendencies. To put it in the simplest way: the individual who indulges in an excess of aggressive self-assertiveness incurs the penalties of society-he outlaws himself, he contracts out of the hierarchy. The true believer, on the other hand, becomes more closely knit into it; he enters the womb of his church, or party, or whatever the social holon to which he surrenders his identity.

No writer or teacher or artist can escape the responsibility of influencing others whether he intends to or not, whether he is conscious of it or not.

What is an editor but a cross between a fall guy and a father figure? arthur koestler

One should either write ruthlessly what one believes to be the truth, or else shut up.

Einstein's space is no closer to reality than Van Gogh's sky.

The prerequisite of originality is the art of forgetting, at the proper moment, what we know.

Conscious and unconscious experiences do not belong to different compartments of the mind; they form a continuous scale of gradations, of degrees of awareness.