We Do Not Know A Truth Without

If Every Tool, When Ordered, Or Even Of Its Own Accord, Could Do The Work That Befits It... Then There Would Be No Need Either Of Apprentices For The Master Workers Or Of Slaves For The Lords.

Demonstration Is Also Something Necessary, Because A Demonstration Cannot Go Otherwise Than It Does, ... And The Cause Of This Lies With The Primary Premises/principles.

It Is Absurd To Hold That A Man Ought To Be Ashamed Of Being Unable To Defend Himself With His Limbs, But Not Of Being Unable To Defend Himself With Speech And Reason, When The Use Of Rational Speech Is More Distinctive Of A Human Being Than The Use Of His Limbs.

What We Know Is Not Capable Of Being Otherwise; Of Things Capable Of Being Otherwise We Do Not Know, When They Have Passed Outsideour Observation, Whether They Exist Or Not. Therefore The Object Of Knowledge Is Of Necessity. Therefore It Is Eternal; For Things That Are Of Necessity In The Unqualified Sense Are All Eternal; And Things That Are Eternal Are Ungenerated And Imperishable.

For It Is Owing To Their Wonder That Men Both Now Begin And At First Began To Philosophize... They Were Pursuing Science In Order To Know, And Not For Any Utilitarian End.