爱则加诸膝,恶则坠诸
      Explanation: Explained〗 〖imposed knee: on his knees; fall Yuan Zhu: Promoting abyss. Means no principles, emotional, love and hate the attitude of others, depends on his preferences, to decide.
      Source: Source〗 〖"Book of Rites under the Tan Gong": "gentlemen of today into the knee If imposed, if a man fall back all deep."