规行矩止
      Explanation: Regulations, moment: compass and square, interpreted as guidelines. Refers to the act in strict accordance with the rules, without struggling. Also refers to things rigid, not flexible.
      Source: Jin Penny "Shih Tien Song": "Two Confucian school officials, Mr. Gentry, who, Chui Ying Pei-yu, Guixingjubu who are to accompany the end of the hall under the Commission, pending the orders of deacons."
      Examples: Duanju sat, ~, phase and cross-Yee Fen beard, high labor talks sleeve of a robe. (Sima Guang Song, "Ji Xia Fu")