Poverty makes you wise but it's a curse.

You have to attack once the truth is too weak to defend itself.

Righteous people have no sense of humor.

For what's the use of talking with a man who has a disease and thinks about the stars?

The aim of science is not to open the door to infinite wisdom, but to set a limit to infinite error.

In the contradiction lies the hope.

Art is not a mirror held up to reality but a hammer with which to shape it.