The creative process is a living thing, implanted, as it were in the souls of men.

Every victory contains the germ of future defeat.

When an individual does not become conscious of their inner contradictions, the world acts out the conflict and is torn in opposite halves.

Man is the mirror God holds up to himself, the sense organ with which he apprehends his being.

No one should deny the danger of the descent, but it can be risked. No one need risk it, but it is certain that someone will. And let those who go down the sunset way do so with open eyes, for it is a sacrifice which daunts even the gods. Yet every descent is followed by an ascent.

Every human life contains a potential, if that potential is not fulfilled, then that life was wasted.

Space flights are merely an escape, a fleeing away from oneself, because it is easier to go to Mars or to the moon than it is to penetrate one's own being.