Bù yīn, bù lóng, bù chéng gū gōng.

不瘖不聾, 不成姑公。

Lit [Unless one pretends to be] stupid and deaf, it is difficult to be a mother-in-law or father-in-law.

Fig If one wishes to be a good parent (in-law), one had best pretend to be ignorant and deaf toward one's married children's business.

Note [Rhyme; advice to parents-in-law; cf. Jìnghuā Yuán, chap. 93.]

Topics ADVICE FAMILIES IN-LAWS Jìnghuā Yuán PARENTING rhyme