"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 monads are the substantial atoms of nature."

"There are two labyrinths of the human mind: one concerns the composition of the continuum, and the other the nature of freedom, and both spring from the same source—the infinite."

"Each soul is a little world, a microcosm."

"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."