Eyesight Should Learn From Reason.

Geometry Is The Archetype Of The Beauty Of The World.

Thus God Himself Was Too Kind To Remain Idle And Began To Play The Game Of Signatures Signing His Likeness Unto The World: Therefore I Chance To Think That All Nature And The Graceful Sky Are Symbolized In The Art Of Geometria.

I Myself, A Professional Mathematician, On Re-reading My Own Work Find It Strains My Mental Powers To Recall To Mind From The Figures The Meanings Of The Demonstrations, Meanings Which I Myself Originally Put Into The Figures And The Text From My Mind. But When I Attempt To Remedy The Obscurity Of The Material By Putting In Extra Words, I See Myself Falling Into The Opposite Fault Of Becoming Chatty In Something Mathematical.

Planets Move In Ellipses With The Sun At One Focus.

The Heavenly Motions... Are Nothing But A Continuous Song For Several Voices, Perceived Not By The Ear But By The Intellect, A Figured Music Which Sets Landmarks In The Immeasurable Flow Of Time.