渐磨而进 (漸磨而進) jiàn mó ér jìn

jiàn mó ér jìn phrase advance by steady effort
Domain: Literary Chinese 文言文
Notes: Quote: from 陽貨第十七 Commentary on Yang Huo XVII in 朱熹四書章句集注 Commentaries on the Four Books by Zhu Xi (Mathews 1931, p. 122)