The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.

What we do not make conscious emerges later as fate.

How difficult it is to reach anything approaching a moderate and relatively calm point of view in the midst of one's emotions.

Our mania for rational explanations obviously has its roots in our fear of metaphysics, for the two were always hostile brothers. Hence, anything unexpected that approaches us from the dark realm is regarded either as coming from outside and, therefore, as real, or else as a hallucination and, therefore, not true. The idea that anything could be real or true which does not come from outside has hardly begun to dawn on contemporary man.

The only thing we have to fear on this planet is man.

The educated man tries to repress the inferior one in himself, without realizing that by this he forces the latter to become revolutionary.

Without freedom there can be no morality.