Art of War (Barnes & Noble Classics Series) (40 page)

BOOK: Art of War (Barnes & Noble Classics Series)
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2. Ground which can be freely traversed by both sides is called
accessible
.
 
Generally speaking, “level country” is meant.
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 is doubtless, as Tu Yu says, “not to allow the enemy to cut your communications.” Tu Mu, who was not a soldier and can hardly have had any practical experience of fighting, goes more into detail and speaks of protecting the line of communications by a wall, or enclosing it by embankments on either side! In view of Napoleon’s dictum, “the secret of war lies in the communications” [
Pensées de Napoléon I
er
, no. 47], we could wish that Sun Tzu had done more than skirt the edge of this important subject here and in chapter I, paragraph 10, and chapter VII, paragraph 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” [
The Science of War
, chapter 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 forth and defeat him. But if the enemy is prepared for your coming, and you fail to defeat him, then, return being impossible, disaster will ensue.
6. When the position is such that neither side will gain by making the first move, it is called
temporising
ground.
 
Tu Yu writes: “Each side finds it inconvenient to move, and the situation remains at a deadlock.”
7. In a position of this sort, even though the enemy should offer us an attractive bait,
 
Tu Yu says: “turning their backs on us and pretending to flee.” But this is only one of the lures which might induce us to quit our position.
it will be advisable not to stir forth, but rather to retreat, thus enticing the enemy in his turn; then, when part of his army has come out, we may deliver our attack with advantage.
8. With regard to
narrow passes
, if you can occupy them first, let them be strongly garrisoned and await the advent of the enemy.
 
Because then, as Tu Yu observes, “the initiative will lie with us, and by making sudden and unexpected attacks we shall have the enemy at our mercy.”
9. Should the enemy forestall you in occupying a pass, do not go after him if the pass is fully garrisoned, but only if it is weakly garrisoned.
10. With regard to
precipitous heights
, if you are beforehand with your adversary, you should occupy the raised and sunny spots, and there wait for him to come up.
 
Ts’ao Kung says: “The particular advantage of securing heights and defiles is that your actions cannot then be dictated by the enemy.” Chang Yü tells the following anecdote of P’ei Hsing-chien (A.D. 619-682), who was sent on a punitive expedition against the Turkic tribes: “At nightfall he pitched his camp as usual, and it had already been completely fortified by wall and ditch, when suddenly he gave orders that the army should shift its quarters to a hill near by. This was highly displeasing to his officers, who protested loudly against the extra fatigue which it would entail on the men.
“P’ei Hsing-chien, however, paid no heed to their remonstrances and had the camp moved as quickly as possible. The same night, a terrific storm came on, which flooded their former place of encampment to the depth of over twelve feet. The recalcitrant officers were amazed at the sight, and owned that they had been in the wrong. ‘How did you know what was going to happen?’ they asked. P’ei Hsing-chien replied: ‘From this time forward be content to obey orders without asking unnecessary questions.’ From this it may be seen . . . that high and sunny places are advantageous not only for fighting, but also because they are immune from disastrous floods.”
11. If the enemy has occupied them before you, do not follow him, but retreat and try to entice him away.
 
The turning-point of Li Shih-min’s campaign in 621 A.D. against the two rebels, Tou Chien-tê, King of Hsia, and Wang Shih-ch’ung, Prince of Chêng, was his seizure of the heights of Wu-lao, in spite of which Tou Chien-tê persisted in his attempt to relieve his ally in Lo-yang, [and] was defeated and taken prisoner.
12. If you are situated at a great distance from the enemy, and the strength of the two armies is equal, it is not easy to provoke a battle,
The point of course is, that we must not think of undertaking a long and wearisome march, at the end of which “we should be exhausted and our adversary fresh and keen.”
and fighting will be to your disadvantage.
13. These six are the principles connected with Earth.
 
Or perhaps, “the principles relating to ground.”

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