《明史·列传·卷一百一十四》
太甲说： 有言论与自己心事相反，必须求证道理；有言论恭顺自己的志趣，必须求证它没有道理。 
太甲曰： 有言逆于汝心，必求诸道；有言逊于汝志，必求诸非道。 
Tai Jia said: If the words contradict one's own intentions, one must seek the truth; if the words are submissive to one's own interests, one must seek its lack of truth.