Immanuel Kant was a German philosopher of the late 18th and early 19th century, whose work constitutes some of the most important contributions to modern philosophy. Kant's ethics are one of the three most prominent schools of ethical thought today, along with utilitarianism and virtue ethics. The Critique of Pure Reason (Kritik der reinen Vernunft), first published in 1781 with a second edition in 1787, is widely regarded as the most influential and widely read work...