His other works include Observations on the Feeling of the Beautiful and Sublime (1764), Critique of Pure Reason (1781), and Groundwork of the Metaphysics of Morals (1785) Book Details

German metaphysician IMMANUEL KANT (1724-1804) served as a librarian of the Royal Library, a prestigious government position, and as a professor at Königsberg University. For if, as pure reason, it is actually practical, it proves its own reality and that of its concepts by fact, and all disputation against thee possibility of. First published in 1788, this is still required reading for all students of modern moral philosophy. The Critique of practical reason is the second of Kants three Critiques, one of his three major treatises on moral theory, and a seminal text in the history of moral philosophy. Assuming the truth of Christianity and the existence of an afterlife, Kant lays the groundwork for a moral science to replace superstition, and for logical ethics to replace less reliable human emotion. It follows on from Kants first critique, the Critique of Pure Reason and deals with his moral philosophy. In Kant's 'second critique,' following on from his Critique of Pure Reason, one of the great thinkers of the Enlightenment explores the requirements and necessities of morality and ethics in an age dominated by reason. The Critique of Practical Reason (German: Kritik der praktischen Vernunft) is the second of Immanuel Kants three critiques, published in 1788. And there is also according to Kant a perfectly legitimate regulative use of (G) in morality as a postulate of practical reason, which in turn is a basic propositional target of moral belief or Glauben, according to which our moral lives are to be conducted as if we could epistemically believe or scientifically know that God benevolently.

Kant critique of practical reason