《太平广记·卷十·神仙十》
到了七十岁时，吃山鸡野兔连骨头都能嚼碎，还能背负很重的东西也不累。
年七十余，食雉兔，皆嚼其骨，能负重，更不疲极。
When he was seventy years old, he could chew the bones of pheasants and hares, and he could carry heavy objects without getting tired.