道之所存,师之所存 (道之所存,師之所存) dào zhī suǒ cún, shī zhī suǒ cún

dào zhī suǒ cún, shī zhī suǒ cún phrase if somebody has grasped the truth before you, take him as your teacher
Domain: Literary Chinese 文言文
Notes: Tang dynasty essayist Han Yu 韩愈 (CC-CEDICT '道之所存,師之所存')