牡丹虽好，全凭绿叶扶持
mǔ​dan​suī​hǎo​quán​píng​lǜ​yè​fú​chí

however brilliant you are, you still need support

牡丹虽好，全凭绿叶扶持 牡丹雖好，全憑綠葉扶持 mǔ​dan​suī​hǎo​quán​píng​lǜ​yè​fú​chí
however brilliant you are, you still need support
Literally translated as "although the peony is beautiful, it depends entirely on help from its green leaves"; used as an idiom to mean that even the most capable person cannot succeed without the assistance and support of others.