"God alone is the primary unity, or the original simple substance, of which all created monads are products."

"Certainly the condition of our affairs [in Europe], slipping as we are into ever greater corruption, seems to be such that we need missionaries from the Chinese who might teach us the use and practice…"

"A created thing is said to act outwardly in so far as it has perfection, and to be acted upon by another in so far as it is imperfect. Thus action is attributed to the monad in so far as it has distin…"

"There is nothing waste, nothing sterile, nothing dead in the universe; no chaos, no confusions, save in appearance."

"Nothing is necessitated whose opposite is possible."