It Is Surely Harmful To Souls To

To Excite In Us Tastes, Odors, And Sounds I Believe That Nothing Is Required In External Bodies Except Shapes, Numbers, And Slow Or Rapid Movements. ... If Ears, Tongues, And Noses Were Removed, Shapes And Numbers And Motions Would Remain, But Not Odors Or Tastes Or Sounds.

It Reveals To Me The Causes Of Many Natural Phenomena That Are Entirely Incomprehensible In The Light Of The Generally Accepted Hypotheses. To Refute The Latter I Collected Many Proofs, But I Do Not Publish Them ... I Would Dare To Publish My Speculations If There Were People Men Like You.

Nature's Great Book Is Written In Mathematics.

There Are Those Who Reason Well, But They Are Greatly Outnumbered By Those Who Reason Badly.

We Must Say That There Are As Many Squares As There Are Numbers.