The Massive Bulk Of The Earth Does

For When A Ship Is Floating Calmly Along, The Sailors See Its Motion Mirrored In Everything Outside, While On The Other Hand They Suppose That They Are Stationary, Together With Everything On Board. In The Same Way, The Motion Of The Earth Can Unquestionably Produce The Impression That The Entire Universe Is Rotating.

For I Am Not So Enamoured Of My Own Opinions That I Disregard What Others May Think Of Them.

Every Light Has Its Shadow, And Every Shadow Hath A Succeeding Morning.

So Far As Hypotheses Are Concerned, Let No One Expect Anything Certain From Astronomy, Which Cannot Furnish It, Lest He Accept As The Truth Ideas Conceived For Another Purpose, And Depart From This Study A Greater Fool Than When He Entered It.

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.