劝百讽一

Explanation: Allegorical right way to describe words far less than the extravagant rhetoric persuasion. Intended to alert people, but the result is just the opposite. 　　Source: "Historical Biography of Sima Xiangru" fu Li Yang Xiong that extravagant, Encouraging and satirical one, still galloping sound of Zheng and Wei, the music and played the elegant, almost endless deficit? "