To Love Is To Take Delight In

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.

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

Nihil Est Sine Ratione. There Is Nothing Without A Reason.

There Are Also Two Kinds Of Truths: Truth Of Reasoning And Truths Of Fact.