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

"I have always been convinced that the universe is a place of perpetual motion, and that this motion is always tending towards destruction."

"There is no good or evil in nature, only force and necessity. It is men, in their arrogance, who dare to dictate laws to the universe, calling natural impulses 'virtue' or 'vice.' But nature knows no …"

"The reasoning man who scorns the prejudices of simpletons necessarily becomes the enemy of simpletons; he must expect as much, and laugh at the inevitable."

"The only true happiness is to be found in the satisfaction of one's desires."