Yǒu bèi, cái néng wú huàn; wú bèi, bìdìng chīkuī.

有備才能無患, 無備必定吃虧。

Lit Only [if one] is prepared can [one] be safe; [if one is] not prepared, [one] surely [will] suffer.

Fig Preparedness ensures safety; unpreparedness invites disaster.

Note [This is an expansion of the chengyu: yǒu bèi, wú huàn; see the following entry.]

Topics chengyu DISASTER PREPARATION