"Ah, Eugenie, have done with virtues!"

"It is always by way of pain that one arrives at pleasure."

"There is no more lively sensation than that of pain; its impressions are certain and dependable, they never deceive as may those of the pleasure women perpetually feign and almost never experience."

"What is more immoral than war?"

"Nature has granted me a temperament that is too ardent, a soul too impetuous, a character too strong, for me to be able to submit to the yoke of any laws."