Nature's Great Book Is Written In Mathematics.

By Denying Scientific Principles, One May Maintain Any Paradox.

Oh, My Dear Kepler, How I Wish That We Could Have One Hearty Laugh Together. Here, At Padua, Is The Principal Professor Of Philosophy, Whom I Have Repeatedly And Urgently Requested To Look At The Moon And Planets Through My Glass, [telescope] Which He Pertinaciously Refuses To Do. Why Are You Not Here? What Shouts Of Laughter We Should Have At This Glorious Folly! And To Hear The Professor Of Philosophy At Pisa Laboring Before The Grand Duke With Logical Arguments, As If With Magical Incantations, To Charm The New Planets Out Of The Sky.

Their Vain Presumption Of Knowing All Can Take Beginning Solely From Their Never Having Known Anything; For If One Has But Once Experienced The Perfect Knowledge Of One Thing, And Truly Tasted What It Is To Know, He Shall Perceive That Of Infinite Other Conclusions He Understands Not So Much As One.

In Regard To The Philosophers, If They Be True Philosophers, I.e., Lovers Of Truth, They Should Not Be Irritated That The Earth Moves. Rather, If They Realize That They Have Held A False Belief, They Should Thank Those Have Shown Them The Truth; And If Their Opinion Stands Firm That The Earth Doesn't Move, They Will Have Reason To Boast Than Be Angered.

The Doctrine That The Earth Is Neither The Center Of The Universe Nor Immovable, But Moves Even With A Daily Rotation, Is Absurd, And Both Philosophically And Theologically False, And At The Least An Error Of Faith.