Humankind cannot bear very much reality.

Humankind cannot bear very much reality.

Human kind cannot bear much reality.

Between the idea / And the reality / Between the motion / And the act / Falls the Shadow.

Knowledge is invariably a matter of degree: you cannot put your finger upon even the simplest datum and say this we know.

There is not a more repulsive spectacle than on old man who will not forsake the world, which has already forsaken him.