《明史·列传·卷一百七十一》
十八岁做《省克录》，认为颜渊之 克己 ，曾子之 日省 ，都是做学问的方法。
年十八，作《省克录》，谓颜之克己，曾之日省，学之法也。
At the age of eighteen, he wrote "Jiu Ke Lu", believing that Yan Yuan's self-denial and Zeng Zi's daily reflection were both ways of pursuing knowledge.