"To this the answer is that religions merit our attention for their sheer conceptual ambition; for changing the world in a way that few secular institutions ever have. They have managed to combine theories about ethics and metaphysics with a practical involvement in education, fashion, politics, travel, hostelry, initiation ceremonies, publishing, art and architecture – a range of interests which puts to shame the scope of the achievements of even the greatest and most influential secular movements and individuals in history."