The belief that the ultimate goal of human life is happiness or flourishing, and virtues are those traits of character that enable a person to achieve this goal
Immanuel Kant's distinction between the two-fold nature of man refers to the idea that humans have both a sensible (material) nature and a rational (immaterial) nature
The implication of this distinction is that humans have the capacity to act according to moral laws and principles, regardless of their individual inclinations or desires
This forms the basis of Kant's categorical imperative, which requires treating rational beings as ends in themselves and never merely as means to an end