The Greatest Philosopher Who Ever Lived Obviously, Jesus did not teach at Pontifical Gregorian University or at Harvard or at Paris-Sorbonne or at Georgetown or at Oxford or at Salamanca or at any other university. He did not write some kind of a Platonist Republic, or an Aristotelian Ethics or Logic, or a Kantian Critique of Pure Reason, or a Hegelian Phenomenology of Spirit, or a Cartesian Discourse on the Method, or a Kierkegaardian Either/Or...