"To live is the rarest thing in the world. Most people exist, that is all."
"Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught."
"We are all in the gutter, but some of us are looking at the stars."
[What is a cynic?] "A man who knows the price of everything and the value of nothing."
"In this world there are only two tragedies. One is not getting what one wants, and the other is getting it."
"Man is least himself when he talks in his own person. Give him a mask, and he will tell you the truth."
"There is no sin except stupidity."
"No great artist ever sees things as they really are. If he did, he would cease to be an artist."
"It is absurd to divide people into good and bad. People are either charming or tedious."
And his most famous unsourced quote: "I have nothing to declare except my genius."