《列子·杨朱》
杨朱说： 伯成子高不肯拿出一根毫毛来施惠外物，因此舍弃王位，隐居山野，耕田度日。
杨朱曰： 伯成子高不以一毫利物，舍国而隐耕。
Yang Zhu said: Bo Chengzi Gao refused to give even a single hair to benefit others, so he gave up his throne, retreated to the wilderness, and lived by farming.