The other four being worship, mourning, entertainment of guests, and
festive rites. See Shu Ching, ii. 1. III. 8, and Chou Li, IX. fol. 49.
See XIII. § 11, note.
This is a rather obscure allusion to the Tso Chuan, where Tzŭ-ch’an
says: "If you have a piece of beautiful brocade, you will not employ a mere
learner to make it up."