“Everything existing in the universe is the fruit of chance and necessity.”

“By convention sweet and by convention bitter, by convention hot, by convention cold, by convention color; but in reality atoms and void.”

“Many much-learned men have no intelligence.”

“No power and no treasure can outweigh the extension of our knowledge.”

“Do not trust all men, but trust men of worth; the former course is silly, the latter a mark of prudence.”

“To a wise and good man the whole earth is his fatherland.”

“Justice is the only worship.Love is the only priest.Ignorance is the only slavery.Happiness is the only good.The time to be happy is now,The place to be happy is here,The way to be happy is to make...”

“Be a good human.”

“Our country in general assumes that "the pursuit of happiness" really means "the pursuit of pleasure" and that therefore pleasure is the greatest good.”

“It's morally wrong to allow a sucker to keep his money.”

“It is very unnerving to be proven wrong, particularly when you are really right and the person who is really wrong is proving you wrong and proving himself, wrongly, right.”

“The secret to being wrong isn't to avoid being wrong! The secret is being willing to be wrong. The secret is realizing that wrong isn't fatal.”