Every Light Has Its Shadow,

If There Should Chance To Be Any Mathematicians Who, Ignorant In Mathematics Yet Pretending To Skill In That Science, Should Dare, Upon The Authority Of Some Passage Of Scripture Wrested To Their Purpose, To Condemn And Censure My Hypothesis, I Value Them Not, And Scorn Their Inconsiderate Judgement. De Revolutionibus Coelestibus

The Massive Bulk Of The Earth Does Indeed Shrink To Insignificance In Comparison With The Size Of The Heavens.

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.

For A Traveler Going From Any Place Toward The North, That Pole Of The Daily Rotation Gradually Climbs Higher, While The Opposite Pole Drops Down An Equal Amount.

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.