In The Midst Of All Dwells The

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.

So, Influenced By These Advisors And This Hope, I Have At Length Allowed My Friends To Publish The Work, As They Had Long Besought Me To Do.

The Scorn Which I Had Reason To Fear On Account Of The Novelty And Unconventionality Of My Opinion Almost Induced Me To Abandon Completely The Work Which I Had Undertaken. . . . Astronomy Is Written For Astronomers. To Them My Work Too Will Seem, Unless I Am Mistaken, To Make Some Contribution.

Among The Authorities It Is Generally Agreed That The Earth Is At Rest In The Middle Of The Universe, And They Regard It As Inconceivable And Even Ridiculous To Hold The Opposite Opinion. However, If We Consider It More Closely The Question Will Be Seen To Be Still Unsettled, And So Decidedly Not To Be Despised. For Every Apparent Change In Respect Of Position Is Due To Motion Of The Object Observed, Or Of The Observer, Or Indeed To An Unequal Change Of Both.

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.