Laozi spoke of the Way and the Virtue, focusing on A.s_________ and not seeking B.r_________ for oneself. He C.r_______ for a long time while in the Zhou Empire, after witnessing the decline of the empire, he decided to retreat into D.s________, leaving the empire through the Hangu Pass. (A. modesty, the quality of not making yourself noticeable. B. of being famous. C. live in, dwell D.alone, solitude.(time:1:35)