What do we know and how do we know it? What justifies us in believing what we believe? Is justified belief knowledge? These questions constitute “epistemology” – the theory of knowledge. Watch our interview with Louis Caruana, Professor of Philosophy at the Pontifical Gregorian University in Rome, and Adjunct Scholar at the Vatican Observatory about the intersection of religion, science, philosophy in the pursuit of knowledge. For subscriber-only exclusives, register for a free membership today: