cheng constant effort yields sure success;if one tries hard enough one will succeed; with time and patience the leaf of mulberry becomes satin
❍ 我一天天的盼，铁大房梁磨绣针，～！(梁斌《红旗谱》319) I dream of it every day. An iron rod can be sharpened into a needle.If I try hard enough I shall succeed.
功到自然成gong dao zi ran cheng
constant effort surely yields success
功到自然成功（工）ɡōnɡ dào zì yán chénɡ
功夫用到了，事情自然就会取得成果。 constant effort yields sure success; When the melon is ripe, it’ll drop by itself.