This paper encompasses a discussion Kants work the Metaphysics of Morals. It is a discussion of the argument presented by Kant about applied moral philosophy. There is a discussion about how he deals with the basic principles of rights and of virtues. The two parts of the book are discussed as well; the Doctrine of Right, which deals with the rights which people have or can acquire, and the Doctrine of Virtue, which deals with the virtues they ought to acquire.