- 临渴掘井 línkějuéjǐng to start digging a well only when one is thirsty(idiom) to be unprepared and seek help at the last minute; to fail to make timely preparations and act only when a crisis is at hand
- 吃水不忘掘井人 chīshuǐbùwàngjuéjǐngrén when drinking water, don't forget the well-digger(idiom) always remember and be grateful to those who helped you succeed or who made your present life possible
