Yǒu bèi, wú huàn.*

有備無患。

Lit [If] there are preparations, there [will] be no perils.

Fig Preparedness prevents peril. Always be prepared, just in case.

Note [This is also treated as a chengyu: yǒubèi-wúhuàn; see also the preceding entry.]

Topics chengyu DANGER PREPARATION yǒubèi-wúhuàn