, who is addressed by another famous Taoist in the words, “You are old, sir, while your complexion is like that of a child;⁠—how is it so?” and the reply is, “I became acquainted with the Tao .”

I will adduce only one more passage of Chuang . In his eleventh book, and the fourth paragraph, he tells us of interviews between Huang-ti , in the nineteenth year of his reign, which would be BC 2679, and his instructor Kuang Chʽêng-tzŭ . The Taoist sage is not redily prevailed on to unfold the treasures of his knowledge to the sovereign, but at last his reluctance is overcome, and he says to him, “Come, and I will tell you about the perfect Tao