行行出状元 (行行出狀元) háng háng chū zhuàngyuán

háng háng chū zhuàngyuán set phrase in every trade, a master appears
Domain: Proverb 谚语
Notes: Figuratively, you can produce outstanding achievements in any task, provided you put in enough love and diligence (CC-CEDICT '行行出狀元'; Guoyu '行行出狀元')