【入室操戈】〖rù sh co g〗[going into one's dwelling and grasping the weapons -- to start a fight in sb. else's house; turn someone's argument against him; use one's thought to attack one's own principle]

入阁登坛篡政权，

室怒市色贫穷迁。

操之过切离叛道，

戈矛倒持罚死缓。