who founded a new Taoist movement, known as hsuan hsueh, ‘the dark learning’ or neo-Taoism. He also provided the impulse that would emerge as tao hsueh, ‘learning of the Truth’ or neo-Confucianism. Opposed to the dead rituals and empty forms of contemporary Confucianism, Wang Pi represented an analytical and philosophical turn to deeper metaphysics. His principal work is a commentary on the Tao Te Ching.