A foremost Kant expert takes us on a lively tour through the revolutionary ideas of the founder of modern philosophy. Immanuel Kant is undoubtedly the most important philosopher of the modern era. His Critique of Pure Reason, “categorical imperative,” and conception of perpetual peace in the global order decisively influenced both intellectual history and twentieth-century politics, shaping everything from the German constitution to the United Nations charter. Renowned philosopher Marcus Willaschek explains why, three centuries after Kant’s birth, his reflections on democracy, beauty, nature, morality, and the limits of human knowledge remain so profoundly relevant. Weaving biographical and historical context together with exposition of key ideas, Willaschek emphasizes three central features of Kant’s theory and method. First, Kant combines seemingly incompatible positions to show how their insights can be reconciled. Second, he demonstrates that it is not only human thinking that