But in simple substances the influence of one monad over another is ideal only.

Reality cannot be found except in One single source, because of the interconnection of all things with one another.

We should like Nature to go no further; we should like it to be finite, like our mind; but this is to ignore the greatness and majesty of the Author of things.

Every present state of a simple substance is the natural consequence of its preceding state, in such a way that its present is big with its future.

We live in the best of all possible worlds

And there must be simple substances, because there are compounds; for the compound is nothing but a collection or aggregatum of simples.

Taking mathematics from the beginning of the world to the time when Newton lived, what he had done was much the better half.