"I have found that most of the sects are right in a good part of what they assert, but not so much in what they deny."

"I maintain that the monads, which are the true atoms of nature, have no windows through which anything could enter or depart."

"The mind is not a tabula rasa but a block of marble which has veins, and these veins determine the shape that the statue can take."

"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…"

"The universe is a plenum, in which all bodies are connected, and each affects all the others."