“本是同根生，相煎何太急”语出曹植《七步诗》

Both born of the same root, why torment each other so cruelly!

煮豆燃豆萁，豆在釜中泣。本是同根生，相煎何太急。

Beans in flame that bean stalks feed, out from the pan cry; sprung from the same stalk, what need each the other fry. (Cao Zhi)