Critique of Practical Reason

Immanuel Kant is the greatest philosopher of Western Europe, one of the leading thinkers of the Enlightenment, the founder of German classical philosophy, the originator of critical idealism, who made a decisive contribution to the development of the European philosophical tradition. "Critique of Practical Reason" is the main ethical treatise of Immanuel Kant, developing the ideas of his "Critique of Pure Reason" and thoroughly exploring the concept of the categorical imperative – the highest principle of morality.