Music Is A Hidden Arithmetic Exercise Of

The Art Of Discovering The Causes Of Phenomena, Or True Hypotheses, Is Like The Art Of Deciphering, In Which An Ingenious Conjecture Often Greatly Shortens The Road.

Nature Does Not Make Leaps.

Nothing Is More Important Than To See The Sources Of Invention Which Are, In My Opinion More Interesting Than The Inventions Themselves.

For, Above All, I Hold A Notion Of Possibility And Necessity According To Which There Are Some Things That Are Possible, But Yet Not Necessary, And Which Do Not Really Exist. From This It Follows That A Reason That Always Forces A Free Mind To Choose One Thing Over Another (whether That Reason Derives From The Perfection Of A Thing, As It Does In God, Or From Our Imperfection) Does Not Eliminate Our Freedom.

Now Where There Are No Parts, There Neither Extension, Nor Shape, Nor Divisibility Is Possible. And These Monads Are The True Atoms Of Nature And, In A Word, The Elements Of Things.