正本澄源

Pinyin: zhèng běn chéng yuán Explanation: 犹正本清源。 Source: 《旧唐书·高祖纪》欲使玉石区分，薰莸有辨，长存妙道，永固福田，正本澄源，宜从沙汰。” Example: 观《春秋》之所书，然后～之意可得而知矣。★明·刘基《春秋明经·公朝于王所仲孙羯会晋韩不信云云城成周》 Thesaurus:  clear up the spring or source of moral character; radically reform by striking at the root of the evil, This is the source side Antonym Group:  Head Meal, Jiaotongyijiao