Only by inhabiting Dao (the Way of Nature) and dwelling in its unity can humankind achieve true happiness and freedom, in both life and death. This is Daoist philosophy's central tenet, espoused by the person--or group of people--known as Zhuangzi (369?-286? BCE) in a text by the same name. To be free, individuals must discard rigid distinctions between right and wrong, and follow a course of action not motivated by gain or striving. When one ceases to judge events as good or bad, man-made suffering disappears, and natural suffering is embraced as part of life.

Zhuangzi elucidates this...