To Command Their Professors Of Astronomy To

Being Infinitely Amazed, So Do I Give Thanks To God, Who Has Been Pleased To Make Me The First Observer Of Marvelous Things, Unrevealed To Bygone Ages.

See Now The Power Of Truth.

By Denying Scientific Principles, One May Maintain Any Paradox.

The Vain Presumption Of Understanding Everything Can Have No Other Basis Than Never Having Understood Anything. For Anyone Who Had Ever Experienced Just Once The Perfect Understanding Of One Single Thing, And Had Truly Tasted How Knowledge Is Accomplished, Would Recognize That Of The Infinity Of Other Truths He Understands Nothing.

I Therefore Concluded, And Decided Unhesitatingly, That There Are Three Stars In The Heavens Moving About Jupiter, As Venus And Mercury About The Sun; Which At Length Was Established As Clear As Daylight By Numerous Other Observations.