There is an intense love of freedom evident in the "Xing zi mingchu," a text last seen when it was buried in a Chinese tomb in 300 B.C.E. It tells us that both joy and sadness are the ecstatic zenith of what the text terms "qing." Combining emotions into qing allows them to serve as a stepping stone to the Dao, the transcendent source of morality for the world. There is a process one must follow to prepare qing: it must be beautified by learning from...