THIS IS THE LEGEND OF LAO TZU, who may or may not have been born; who may or may not have founded Taoism, on of the greatest religions in the world; and who may or may not have written one of the greatest books of wisdom in the world: the Tao Te Ching, or the "Way of Heaven." This thoughtful and thought-provoking book opens with a biography of Lao Tzu, the mysterious philosopher who is said to have been born at the age of eighty-one...