All Trades, Arts, And Handiworks Have Gained

Human Beings Are Never To Be Treated As A Means But Always As Ends.

Philosophical Knowledge Is The Knowledge Gained By Reason From Concepts ; Mathematical Knowledge Is The Knowledge Gained By Reason From The Construction Of Concepts.

Every Man Is To Be Respected As An Absolute End In Himself; And It Is A Crime Against The Dignity That Belongs To Him As A Human Being, To Use Him As A Mere Means For Some External Purpose.

Nature Has Willed That Man Should, By Himself, Produce Everything That Goes Beyond The Mechanical Ordering Of His Animal Existence, And That He Should Partake Of No Other Happiness Or Perfection Than That Which He Himself, Independently Of Instinct, Has Created By His Own Reason.

Maturity Is Having The Courage To Use One's Own Intelligence!