In erotic love, two people who were separate become one. In motherly love, two people who were one become separate. The mother must not only tolerate, she must wish and support the child's separation.

The danger of the past was that men became slaves. The danger of the future is that man may become robots.

Every society by its own practice of living and by the mode of relatedness, of feelings, and perceiving, develops a system of categories which determines the forms of awareness.

Just as love is an orientation which refers to all objects and is incompatible with the restriction to one object, so is reason a human faculty which must embrace the whole of the world with which man is confronted.

Thus, the ultimate choice for a man, inasmuch as he is driven to transcend himself, is to create or to destroy, to love or to hate.

The pace of science forces the pace of technique. Theoretical physics forces atomic energy on us; the successful production of the fission bomb forces upon us the manufacture of the hydrogen bomb. We do not choose our problems, we do not choose our products; we are pushed, we are forced -- by what? By a system which has no purpose and goal transcending it, and which makes man its appendix.

There is no meaning to life except the meaning man gives his life by the unfolding of his powers.