infer that even happiness is not exempt from sorrow.

A reductio ad absurdum.

Wherefore it has been said, "Those who over-estimate the external and lose their natural instincts in worldliness,—these are the people of topsy-turvydom."

We are left in the dark as to the authorship of the numerous quotations in this and the preceding chapter. It is, however, a point of minor importance, neither chapter having the slightest claim to be regarded as the genuine work of Chuang Tzŭ.