All things in God are spontaneous.

I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature.

Justice is charity in accordance with wisdom.

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.

To love is to take delight in happiness of another, or, what amounts to the same thing, it is to account another's happiness as one's own.

Either there are no corporeal substances, and bodies are merely phenomena which are true or consistent with each other, such as a rainbow or a perfectly coherent dream, or there is in all corporeal substances something analogous to the soul.

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