折疑論 2.129

2.129

夷齊自餓。毀之至也。而六經子史。未聞譏其不孝（以泰伯豫讓荊軻子推夷齊等。皆自毀其身。而目觀六經子史。未聞見責其不孝。反以至德而稱者何也）。

Boyi and Shuqi starved themselves, reaching the extreme of self-injury; yet in the Six Classics, the Masters, and the Histories, one never hears of their being censured as unfilial (since Taibo, Yu Rang, Jing Ke, Zitui, Boyi, and Shuqi all damaged their own bodies, yet when observing the Six Classics, the Masters, and the Histories, one never sees them rebuked for being unfilial, but rather praised for supreme virtue, why is this?).