画疆墨守

Explanation: Establish a portal or stick analogy sectarianism. 　　Source: Qing Wang Fu-chih, "Jiang Talks on Poetry" Volume II: "Early ... ... followed by more than even on behalf of Li Bai and Du Xing, wine paper, Blair said the same tune, but do not hit Du Li, Du Li, did not seek, perhaps a partisan, painting Xinjiang legalistic."