《淮南子·缪称训》
所以伯夷饿死首阳山，也并不后悔，因为他抛弃了他所鄙贱的东西，而保持了他所认为可珍贵的东西。
故伯夷饿死首阳之下，犹不自悔，弃其所贱，得其所贵也。
Therefore, Bo Yi starved to death on Shouyang Mountain, but he did not regret it, because he gave up what he despised and kept what he considered precious.