"The only good is pleasure, and the only evil is pain."

"The more strictly we are confined to the letter of the law, the more likely we are to miss its spirit."

"Man, from the very constitution of his nature, prefers his own happiness to that of all other sensitive beings put together : but for this self preference, the species could not have had existence."

"The quantity of pleasure being equal, push-pin is as good as poetry."

"The greatest happiness principle is a principle of benevolence."