"For since it is impossible for a creature to be perfect, the universe would be even less perfect if it contained only perfect creatures."

"The nature of the monad is representative; consequently, nothing can limit it to represent only a part of things."

"I do not conceive of any reality at all as without genuine unity."

"I have said that the soul is a little world where distinct ideas represent God and confused ones represent the universe."

"Nothing is without a reason."