見利忘義（見利忘義）　

◎ 見利忘義 jiànlì-wàngyì

[forget morality and justice when one sees money;be actuated by mercenary views;forsake good for the sake of gold] 只圖一己私利,而置道義于不顧

某與呂布同鄉(xiāng)知其有勇無謀,見利忘義,某憑三寸不爛之舌,說 呂布拱手來降。—— 羅貫中《三國演義》