"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."

"Ah, Eugenie, have done with virtues!"

"What is crime? What is virtue? All depends on the point of view."

"Lust is to the other passions what the nervous fluid is to life."

"The universe is a chaos of matter and motion, without any intelligent principle."