Moreover, Since The Sun Remains Stationary, Whatever

In The Midst Of All Dwells The Sun.

Therefore, When I Considered This Carefully, The Contempt Which I Had To Fear Because Of The Novelty And Apparent Absurdity Of My View, Nearly Induced Me To Abandon Utterly The Work I Had Begun.

Therefore, In The Course Of The Work I Have Followed This Plan: I Describe In The First Book All The Positions Of The Orbits Together With The Movements Which I Ascribe To The Earth, In Order That This Book Might Contain, As It Were, The General Scheme Of The Universe.

To Know That We Know What We Know, And To Know That We Do Not Know What We Do Not Know, That Is True Knowledge.

Nations Are Not Ruined By One Act Of Violence, But Gradually And In An Almost Imperceptible Manner By The Depreciation Of Their Circulating Currency, Through Its Excessive Quantity.