Experience teaches that for most people there is a limit beyond which their constitution cannot comply with the demands of civilization. All who wish to reach a higher standard than their constitution will allow, fall victims to neurosis. It would have been better for them if they could have remained less "perfect".

To endure life remains, when all is said, the first duty of all living being Illusion can have no value if it makes this more difficult for us.

The paranoid is never entirely mistaken.

The madman is a dreamer awake

Man has, as it were, become a kind of prosthetic God.

We must reckon with the possibility that something in the nature of the sexual instinct itself is unfavorable to the realization of complete satisfaction.

The ego represents what we call reason and sanity, in contrast to the id which contains the passions.