知人者智，自知者明 zhīrén zhě zhì, zì zhī zhě míng

zhīrén zhě zhì, zì zhī zhě míng phrase those who understand others are clever, but those who know themselves are truly wise (idiom, from Laozi's 道德經|道德经
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '知人者智，自知者明')