A Prussian philosopher who brought the Enlightenment to its peak and established the foundation of German Idealism
He contemplated "What can I know?" (epistemology), "What ought I to do?" (ethics), and "What may I hope?" (philosophy of religion). His categorical imperative, "Act only according to that maxim by which you can at the same time will that it should become a universal law"
Immanuel Kant Notion