《史记·七十列传·李斯列传》
我受皇帝之命教育胡亥，让他学法律已经有好几年了，还没见过他有什么错误。
高受诏教习胡亥，使学以法事数年矣，未尝见过失。
Having been ordered by the Emperor to school Hu Hai, I have taught him law for many years now, and I have yet to see him make any mistakes.