"It has, moreover, been proven that horror, nastiness, and the frightful are what give pleasure when one fornicates. Beauty is a simple thing ugliness is the exceptional thing. And fiery imaginations, …"

"Cruelty, far from being a vice, is the first sentiment implanted in us by nature."

"I have no conscience, and I am proud of it."

"The law which attempts a man's life is impractical, unjust, inadmissible. It has never repressed crime -- for a second crime is every day committed at the foot of the scaffold."

"Chimerical and empty being, your name alone has caused more blood to flow on the face of the earth than any political war ever will."