The pendulum of the mind alternates between sense and nonsense, not between right and wrong.

There is no such thing as a pure extrovert or a pure introvert. Such a man would be in the lunatic asylum.

We do not feel as if we were producing the dreams, it is rather as if the dreams came to us. They are not subject to our control but obey their own laws.

Intuition does not denote something contrary to reason, but something outside of the province of reason.

What we do not make conscious emerges later as fate.

The greatest and most important problems of life are all fundamentally insoluble. They can never be solved but only outgrown.

We carry our past with us, to wit, the primitive and inferior man with his desires and emotions, and it is only with an enormous effort that we can detach ourselves from this burden. If it comes to a neurosis, we invariably have to deal with a considerably intensified shadow.