"God is an absolutely perfect being."

"Monads have no windows through which anything could enter or depart."

"All the different classes of beings which taken together make up the universe are, in the ideas of God who knows distinctly their essential gradations, only so many ordinates of a single curve so clos…"

"The world is not a heap of atoms, but a system of monads."

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