A Mind Is Accustomed To Mathematical Deduction,

Nature Uses As Little As Possible Of Anything.

In Theology We Must Consider The Predominance Of Authority; In Philosophy The Predominance Of Reason.

After The Birth Of Printing Books Became Widespread. Hence Everyone Throughout Europe Devoted Himself To The Study Of Literature... Every Year, Especially Since 1563, The Number Of Writings Published In Every Field Is Greater Than All Those Produced In The Past Thousand Years. Through Them There Has Today Been Created A New Theology And A New Jurisprudence; The Paracelsians Have Created Medicine Anew And The Copernicans Have Created Astronomy Anew. I Really Believe That At Last The World Is Alive, Indeed Seething, And That The Stimuli Of These Remarkable Conjunctions Did Not Act In Vain.

I Also Ask You My Friends Not To Condemn Me Entirely To The Mill Of Mathematical Calculations, And Allow Me Time For Philosophical Speculations, My Only Pleasures.

Geometry Has Two Great Treasures; One Is The Theorem Of Pythagoras; The Other, The Division Of A Line Into Extreme And Mean Ratio. The First We May Compare To A Measure Of Gold; The Second We May Name A Precious Jewel.