Even when Chassidus first exploded on the scene in 18th century Eastern Europe, it was not monolithic. Each of its founders had a unique approach to attaining spirituality. The Chabad movement took the intellectual path, as seen in "The Tanya." Citing this definitive work on Chabad Chassidus, Rabbi Wein explains its esoteric concepts of the nature of God and the cosmos. This lecture, which ties together kabbalah with Einstein's theory of relativity, will both stimulate your mind and elevate your soul.