《明史·本纪·卷三》
无奈出身寒微，无古人之博识，扬善惩恶，做得很不够。
奈起自寒微，无古人之博知，好善恶恶，不及远矣。
Unfortunately, I come from a humble background and do not have the knowledge of the ancients, so I have done a poor job of promoting good and punishing evil.