Art of War 11.12

Because the attempt would be futile, and would expose the blocking force itself to serious risks. There are two interpretations of 無絶. I follow that of Chang Yü (不可以兵阻絶其路). The other is indicated in Ts‘ao Kung’s brief note: 相及屬也 “Draw closer together” — i.e., see that a portion of your own army is not cut off. Wang Hsi points out that 交地 is only another name for the 通地 “accessible ground” of X. § 2, and says that the advice here given is simply a variation of 利糧道 “keep a sharp eye on the line of supplies,” be careful that your communications are not cut. The T‘ung Tien reads 無相絶.

Or perhaps, “form alliances with neighbouring states.” Thus Ts‘ao Kung has: 結諸侯也. Capt. Calthrop’s “cultivate intercourse” is much too timid and vague. The original text reads 交合.