The Book Of Nature Is Written In

The Number Of The Fixed Stars Which Observers Have Been Able To See Without Artificial Powers Of Sight Up To This Day Can Be Counted. It Is Therefore Decidedly A Great Feat To Add To Their Number, And To Set Distinctly Before The Eyes Other Stars In Myriads, Which Have Never Been Seen Before, And Which Surpass The Old, Previously Known Stars In Number More Than Ten Times.

But Of All Other Stupendous Inventions, What Sublimity Of Mind Must Have Been His Who Conceived How To Communicate His Most Secret Thoughts To Any Other Person, Though Very Far Distant Either In Time Or Place? And With No Greater Difficulty Than The Various Arrangement Of Two Dozen Little Signs Upon Paper? Let This Be The Seal Of All The Admirable Inventions Of Man.

But, Because My Private Lectures And Domestic Pupils Are A Great Hinderance And Intteruption Of My Studies, I Wish To Live Entirely Exempt From The Former, And In Great Measure From The Latter. ... In Short, I Should Wish To Gain My Bread From My Writings.

The Earth, In Fair And Grateful Exchange, Pays Back To The Moon An Illumination Similar To That Which It Receives From Her Throughout Nearly All The Darkest Gloom Of The Night.

The Book Of Nature Is Written In The Language Of Mathematics.