ㄎㄜˋㄐㄧˇㄈㄨˋㄌㄧˇkèjǐ‑fùlǐ

克己复礼
  1. 約束自我使言行舉止合乎禮節 價值觀快速變遷世代克己復禮隨波逐流」。

restrain yourself and return to the rites (idiom, from Analects)​; to subdue self and observe proprieties, (any number of possible translations)​