"The greatest good is the knowledge of the nature of things."

"The pleasure which is sought after by the many is not true pleasure, but only the absence of pain."

"Of all the means which wisdom acquires to ensure happiness throughout the whole of life, by far the most important is the possession of friends."

"We should rather laugh than be sad at the misfortunes of others."

"Justice is a contract of utility entered into to prevent men from harming or being harmed by one another."