We Do Not Ask For What Useful

If The Earth Were Not Round, Heavy Bodies Would Not Tend From Every Side In A Straight Line Towards The Center Of The Earth, But To Different Points From Different Sides.

If This [the Mysterium Cosmographicum] Is Published, Others Will Perhaps Make Discoveries I Might Have Reserved For Myself. But We Are All Ephemeral Creatures (and None More So Than I). I Have, Therefore, For The Glory Of God, Who Wants To Be Recognized From The Book Of Nature, That These Things May Be Published As Quickly As Possible. The More Others Build On My Work The Happier I Shall Be.

Since Geometry Is Co-eternal With The Divine Mind Before The Birth Of Things, God Himself Served As His Own Model In Creating The World (for What Is There In God Which Is Not God?), And He With His Own Image Reached Down To Humanity.

I Used To Measure The Heavens, Now I Measure The Shadows Of Earth. The Mind Belonged To Heaven, The Body's Shadow Lies Here.

If The Moon And Earth Were Not Retained In Their Orbits By Their Animal Force Or Some Other Equivalent, The Earth Would Mount To The Moon By A Fifty-fourth Part Of Their Distance, And The Moon Fall Towards The Earth Through The Other Fifty-three Parts, And They Would There Meet, Assuming, However, That The Substance Of Both Is Of The Same Density.