By Denying Scientific Principles, One May Maintain

If You Could See The Earth Illuminated When You Were In A Place As Dark As Night, It Would Look To You More Splendid Than The Moon.

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.

Nature's Great Book Is Written In Mathematics.

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.

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.