Nail up some indecency in plain sight over your door; from that time forward you will be rid of all respectable people,the most insupportable folk God has created.

We never really know what stupidity is until we have experimented on ourselves.

Concentrate your strengths against your competitor's relative weaknesses.

A critic in my house sees some paintings. Greatly perturbed, he asks for my drawings. My drawings? Never! They are my letters, my secrets.

In art, there are only two types of people: revolutionaries and plagiarists. And in the end, doesn't the revolutionary's work become official, once the State takes it over?

Nature has mysterious infinities and imaginative power. It is always varying the productions it offers to us. The artist himself is one of nature's means.

Art requires philosophy, just as philosophy requires art. Otherwise, what would become of beauty?