听其言而观其行

Explanation: After listening to his words, but also his actions. Refers to not only listen to words, but also action. 　　Usage: Complex sentence; as object, clause; refers to not only listen to words, but also the action 　　Source: Qin Confucius' Analects of Confucius Gongye Chang ":" before I in the people, listen to his words and his letter to the line, Jinwu in the people, listen to his words and deeds. "