61. By persistently hanging on the enemy’s flank,

[I understand the first four words to mean "accompanying the enemy in one direction." Ts’ao Kung says: "unite the soldiers and make for the enemy." But such a violent displacement of characters is quite indefensible.]

we shall succeed in the long run

[Literally, "after a thousand li.">[

in killing the commander-in-chief.

[Always a great point with the Chinese.]

62. This is called ability to accomplish a thing by sheer cunning.

63. On the day that you take up your command, block the frontier passes, destroy the official tallies,

[These were tablets of bamboo or wood, one half of which was issued as a permit or passport by the official in charge of a gate. Cf. the "border-warden" of Lun Yu III. 24, who may have had similar duties. When this half was returned to him, within a fixed period, he was authorized to open the gate and let the traveler through.]

and stop the passage of all emissaries.