持敬是穷理之本。

——《朱子语类》卷九

禀持恭敬之道是穷究事物道理的根本。

“Being deferential and respectful is a gateway leading to the essence of all learning and acquirements.”

Vol. 9 of Classified Dialogues of Master Zhu by Zhu Xi

杨华山 画 Yang Huashan