"Virtue is but a mask which one puts on and takes off according to need."

"There is no crime that does not contain a certain amount of pleasure."

"An enjoyment that is shared is enfeebled. This is a recognised truth; if you try to give enjoyment to the object of your pleasures, you will soon have to recognise the fact that you are doing so at yo…"

"The only true happiness is that which is found in evil."

"We monsters are necessary to nature also."