《明史·列传·卷一百七十》
不久，又在那里留住了两年，得到黄泽口授六十四卦的大义与学习《春秋》的要领。
已，复往，留二岁，得口授六十四卦大义与学《春秋》之要。
Shortly after, he stayed there for two more years, receiving the general idea of the sixty-four hexagrams and the key points of learning the Spring and Autumn Annals from Huang Ze personally.