I Have Said More Than

Justice Is Charity In Accordance With Wisdom.

Therefore, I Have Attacted [the Problem Of The Catenary] Which I Had Hitherto Not Attempted, And With My Key [the Differential Calculus] Happily Opened Its Secret. Acta Eruditorum

But In Simple Substances The Influence Of One Monad Over Another Is Ideal Only.

Music Is A Hidden Arithmetic Exercise Of The Soul, Which Does Not Know That It Is Counting.

For Since It Is Impossible For A Created Monad To Have A Physical Influence On The Inner Nature Of Another, This Is The Only Way In Which One Can Be Dependent On Another.