"There are never in nature two beings, which are precisely alike, and in which it is not possible to find some difference which is internal, or based on some intrinsic quality."

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

"This interconnection or accommodation of all created things to each other, and each to all the others, brings it about that each simple substance has relations that express all the others, and consequ…"

"Why is there something rather than nothing?"

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