Gaozi claims Yu’s music surpasses King Wen’s, citing worn bell clappers as proof. Mencius refutes him with deep gate ruts—wear stems from long use, not superior quality, warning against hasty judgments based on superficial traces.
Zheng Xuan (127–200 CE) was a preeminent Confucian classicist of the Eastern Han dynasty. His courtesy name was Kangcheng, and he was a native of Gaomi, Beihai Commandery (in present-day Gaomi, Shandong).
The Master said, “In ancient times, scholars studied to cultivate themselves; nowadays, scholars study to impress others.”