in SS. 14-20, and the
rest of the chapter is again a mere string of desultory remarks,
though not less interesting, perhaps, on that account.]
1. Sun Tzu said: We may distinguish six kinds of terrain,
to wit: (1) Accessible ground;
[Mei Yao-ch`en says: "plentifully provided with roads and
means of communications."]
(2) entangling ground;
[The same commentator says: "Net-like country, venturing
into which you become entangled."]
(3) temporizing ground;
[Ground which allows you to "stave off" or "delay."]
(4) narrow passes; (5) precipitous heights; (6) positions at a
great distance from the enemy.
[It is hardly necessary to point out the faultiness of this
classification. A strange lack of logical perception is shown in
the Chinaman's unquestioning acceptance of glaring cross-
divisions such as the above.]
2. Ground which can be freely traversed by both sides is
called ACCESSIBLE.
3. With regard to ground of this nature, be before the
enemy in occupying the raised and sunny spots, and carefully
guard your line of supplies.
[The general meaning of the last phrase is doubtlessly, as
Tu Yu says, "not to allow the enemy to cut your communications."
In view of Napoleon's dictum, "the secret of war lies in the
communications," [1] we could wish that Sun Tzu had done more
than skirt the edge of this important subject here and in I. ss.
10, VII. ss. 11. Col. Henderson says: "The line of supply may
be said to be as vital to the existence of an army as the heart
to the life of a human being. Just as the duelist who finds his
adversary's point menacing him with certain death, and his own
guard astray, is compelled to conform to his adversary's
movements, and to content himself with warding off his thrusts,
so the commander whose communications are suddenly threatened
finds himself in a false position, and he will be fortunate if he
has not to change all his plans, to split up his force into more
or less isolated detachments, and to fight with inferior numbers
on ground which he has not had time to prepare, and where defeat
will not be an ordinary failure, but will entail the ruin or
surrender of his whole army." [2]
Then you will be able to fight with advantage.
4. Ground which can be abandoned but is hard to re-occupy
is called ENTANGLING.
5. From a position of this sort, if the enemy is
unprepared, you may sally f
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