"The only way to have a friend is to be one."

"The world is a tragedy for those who feel, but a comedy for those who think."

"I have been a very unhappy man."

"Why has government been instituted at all? Because the passions of men will not conform to the dictates of reason and justice, without constraint."

"Safety and happiness are the objects at which all political institutions aim, and to which all ought to be sacrificed."