Gottfried Wilhelm Leibniz — "Virtue is the habit of acting according to wisdom."

"It is not absurd for discerning Europeans . . . to see something today which is not adequately known by the Chinese erudites, and to be able to interpret their ancient books better than the erudites t…"

"Nothing is necessitated whose opposite is possible."

"Philosophy consists mostly of kicking up a lot of dust and then complaining that you can't see anything."

"The monads are the true atoms of nature, and, in a word, the elements of things."

"imaginary numbers are a fine and wonderful resource of the divine intellect, almost an amphibian between being and non-being."