"The actual world is the most beautiful possible."

"I maintain that the universe is a kind of clock, wound up by God, and that it runs without His further interference."

"The pleasure we obtain from music comes from counting, but counting unconsciously. Music is nothing but unconscious arithmetic."

"The world is not a heap of atoms, but a system of monads."

"Nature has established patterns originating in the return of events, but only for the most part. New illnesses flood the human race, so that no matter how many experiments you have done on corpses, yo…"