《明史·列传·卷一百四十三》
龄在白马山讲学，提出了因果说，离王守仁的思想更远。
奭龄讲学白马山，为因果说，去守仁益远。
Ling proposed the theory of causality while giving lectures on Baima Mountain. His ideology drifted further away from Wang Shouren’s thoughts.