杜微慎防
      Explanation: DU: stop, cut off; cautious: cautious. Eliminate subtle, carefully prepare the bud. The elimination of evil in the bud state of togetherness.
      Source: "History of the Ming Chuan Hu Song," Song also made outside and inside edge of the soldiers, the battle has inside out of the arsenal of non-re-Zhou Ye therefore, DU is also slightly wary, the Executive Eph promises.