Rùjìng wèn jìn; rù guó wèn sú.*

入境問禁, 入國問俗。

Lit [Upon] crossing a border, ask [what is] forbidden; [on] entering a country, ask [about the local] customs.

Fig On arriving in a new place, inquire about the local taboos and customs; “when in Rome, do as the Romans do.”

Note [Originally from the Confucian Lǐjì: Qū Lǐ Shàng; now sometimes abbreviated as rùjìng suí sú; see also dào shénme shān and jìnle miào mén above.]

Topics ACCOMMODATION Book of Rites CONFORMITY CUSTOMS Lǐjì LOCALITIES PLACE Qū Lǐ Shàng TABOOS