The state of sleep is a state of freedom in which man is not occupied with the manipulation of the outside world.

Society must be organized in such a way that mans social, loving nature is not separated from his social existence, but becomes one with it.

[Sigmund ] Freud assumes that every dream represents the satisfaction of adesire and in the last analysis, of a sexual desire that has its roots in infancy.

The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.

Even the most sadistic and destructive man is human, as human as the saint.

Knowing means to penetrate through the surface, in order to arrive at the roots, and hence the causes; knowing means to "see" reality in its nakedness. Knowing does not mean to be in the possession of the truth; it means to penetrate the surface and to strive critically and actively in order to approach truth ever more closely.

The history of man so far is nothing to brag about, from the standpoint of our ideas - and what I mean is, that in comparison with most other societies, our present-day American society has achieved things which are remarkable: material wealth, greater than for any other nation; a relative freedom from oppression; a relative mobility; a spreading of art, of music, of thought, which is also rather unique.