Original: He continued to develop his moral philosophy , notably in 1788 's Critique of Practical Reason ( known as the second Critique ) and 1797 â s Metaphysics of Morals . The 1790 Critique of Judgment ( the third Critique ) applied the Kantian system to aesthetics and teleology .
Simplified: Kant wrote two other books named Critique too : Critique of the practical reason ( 1788 ) and Critique of the Judgement ( 1790 ) .