Bù gān jǐ shì, bù zhāngkǒu; yī wèn yáotóu sānbùzhī.

不幹己事不張口, 一問搖頭三不知。

Lit [About] matters [that] don't concern [you], do not open [your] mouth, [and] when questioned, always shake [your] head “no” [in answer].

Fig It is best to remain reticent about other people's affairs and to refuse to make any comment on matters that don't concern you.

Note [Cf. DRC, chap. 55; see also sān gè bù kāikǒu and yī wèn sān bù zhī below.]

Topics DRC PRUDENCE RETICENCE