Burn with that consuming fire of objectivity that forces a man to renew efforts that are doomed to failure.

A specialist is a barbarian whose ignorance is not well-rounded.

Skepticism is like a microscope whose magnification is constantly increased: the sharp image that one begins with finally dissolves, because it is not possible to see ultimate things: their existence is only to be inferred.

Our ability to adapt and therefore to accept everything is one of our greatest dangers. Creatures that are completely flexible, changeable, can have no fixed morality.

You climb to reach the summit, but once there, discover that all roads lead down.

Of the two powers, the two categories that take possession of us when we enter the world (from where?), space is by far the less mysterious. It, too, undergoes transformations. Time, on the other hand, is a hostile element, truly treacherous, I would even say against human nature.

The horse respects and obeys man because its large eyes magnify everything, so man appears much larger than the horse itself.