【未雨绸缪】〖wèi y chóu móu〗[save against a rainy day; Don't have thy cloak to make when it begins to rain; have an anchor to windward; have forethought; In fair wearher prepare for foul]

未焚徙薪先防患，

雨横风狂公厂坍。

绸否唯唯下岗工，

缪力同心腾共产。

比喻事先做好准备工作。Metaphor beforehand do good job get ready work. 同：有备无患、防患未然。反：临渴掘井。