[ mǔ dān suī hǎo，quán píng lǜ yè fú chí ]

比喻人不管有多大能耐，总得有人在旁协助。

〖出处〗清·褚人获《隋唐演义》第十二回：“也不像两个人打，就如一对猛虎争餐，擂台上流做一团。牡丹虽好，全凭绿叶扶持。”

你说有了儿子么？‘～’。 ★清·西周生《醒世姻缘传》第三十二回

Although the peony is beautiful, it depends entirely on help from the green leaves (idiom). However brilliant you may be, you can't do anything without support from others.