The present is saturated with the past and pregnant with the future.

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

Indeed every monad must be different from every other. For 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.

Nothing is more important than to see the sources of invention which are, in my opinion more interesting than the inventions themselves.

Natural religion itself, seems to decay very much. Many will have human souls to be material: others make God himself a corporeal being.

It has long seemed ridiculous to me to suppose that the nature of things has been so poor and stingy that it provided souls only to such a trifling mass of bodies on our globe, like human bodies, when it could have given them to all, without interfering with its other ends.

God, possessing supreme and infinite wisdom, acts in the most perfect manner, not only metaphysically, but also morally speaking, and ... with respect to ourselves, we can say that the more enlightened and informed we are about God's works, the more we will be disposed to find them excellent and in complete conformity with what we might have desired.