우공이산
愚公移山 · the foolish old man moves the mountain
Steady effort can achieve the impossible.
When to usePraising long, patient work.
Related proverbten-chops
Examples
매일 한 줄씩 쓴 게 책 한 권이 됐어. 우공이산이지.
A line a day became a whole book. Steady work moves mountains.