"There is a certain destiny of everything, regulated by the foreknowledge and providence of God, who has established an infallible connection between the antecedent and the consequent."

"The universe is an immense ocean of monads."

"The happier the man, the less he needs to be amused; like a healthy man who does not need to be drugged."

"The actual world is the most beautiful, because it contains the greatest variety with the greatest order."

"The more perfect a substance is, the more it mirrors the universe."