The Universe, Wrought For Us By A

We Regard It As A Certainty That The Earth, Enclosed Between Poles, Is Bounded By A Spherical Surface.

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 I Would Not Have It Unknown To Your Holiness, The The Only Thing Which Induced Me To Look For Another Way Of Reckoning The Movements Of The Heavenly Bodies Was That I Knew That Mathematicians By No Means Agree In Their Investigation Thereof.

At Rest, However, In The Middle Of Everything Is The Sun.

Since, Then, There Is No Objection To The Mobility Of The Earth, I Think It Must Now Be Considered Whether Several Motions Are Appropriate For It, So That It Can Be Regarded As One Of The Wandering Stars. For The Fact That It Is Not The Centre Of All Revolutions Is Made Clear By The Apparent Irregular Motion Of The Wandering Stars, And Their Variable Distances From The Earth, Which Cannot Be Understood In A Circle Having The Same Centre As The Earth.