Ingratitude Is The Essence Of Vileness.

Sincerity Is The Indispensable Ground Of All Conscientiousness, And By Consequence Of All Heartfelt Religion.

Human Reason Is By Nature Architectonic.

Always Treat People As Ends In Themselves, Never As Means To An End.

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.

Philosophy Stands In Need Of A Science Which Shall Determine The Possibility, Principles, And Extent Of Human Knowledge à Priori.