以小人之心，度君子之腹

Explanation: Mind with the despicable conduct and noble people to guess. 　　Usage: Partial official; as predicate, object; containing derogatory 　　Source: "Zuo Zhao Gong twenty-eight years" is willing to villain as the man of the heart's belly, is tired of it. " 　　Examples: He suspected someone else with him everywhere trying to find fault, really ~. Thesaurus:  A little man cannot understand the ways of a true gentleman, To the real intention Antonym Group:  Saving people had the heart to heart, projectsth. onto sb., judge others by oneself, size up the situation, put oneself in somebody else's position, conjecture on the basis of reason, Kuiliduoqing, Shoes and, put oneself in sb.'s place, be personally on the scene, Immersive