Psychoanalytic doctrine reveals the pig in man, a pig saddled with a conscience; the disastrous result is that the pig is uncomfortable beneath that pious rider, and the rider fares no better in the situation, since his endeavor is not only to tame the pig, but also to render it invisible.

Man has gone out to explore other worlds and other civilizations without having explored his own labyrinth of dark passages and secret chambers, and without finding what lies behind doorways that he himself has sealed.

Faith is, at one and the same time, absolutely necessary and altogether impossible.

I hadn't known there were so many idiots in the world until I started using the Internet.

Plentitude, when too plentitudinous, was worst than destitution, for obviously what could one do, if there was nothing one could not?

It is not good for a man to be too cognizant of his physical and spiritual mechanisms. Complete knowledge reveals limits to human possibilities, and the less a man is by nature limited in his purposes, the less he can tolerate limits.

We don't want to conquer the cosmos, we simply want to extend the boundaries of Earth to the frontiers of the cosmos.