1907), p. 29.
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VIII. VARIATION IN TACTICS
[The heading means literally "The Nine Variations," but as
Sun Tzu does not appear to enumerate these, and as, indeed, he
has already told us (V SS. 6-11) that such deflections from the
ordinary course are practically innumerable, we have little
option but to follow Wang Hsi, who says that "Nine" stands for an
indefinitely large number. "All it means is that in warfare we
ought to very our tactics to the utmost degree.... I do not know
what Ts`ao Kung makes these Nine Variations out to be, but it has
been suggested that they are connected with the Nine Situations"
- of chapt. XI. This is the view adopted by Chang Yu. The only
other alternative is to suppose that something has been lost--a
supposition to which the unusual shortness of the chapter lends
some weight.]
1. Sun Tzu said: In war, the general receives his
commands from the sovereign, collects his army and concentrates
his forces.
[Repeated from VII. ss. 1, where it is certainly more in
place. It may have been interpolated here merely in order to
supply a beginning to the chapter.]
2. When in difficult country, do not encamp. In country
where high roads intersect, join hands with your allies. Do not
linger in dangerously isolated positions.
[The last situation is not one of the Nine Situations as
given in the beginning of chap. XI, but occurs later on (ibid.
ss. 43. q.v.). Chang Yu defines this situation as being situated
across the frontier, in hostile territory. Li Ch`uan says it is
"country in which there are no springs or wells, flocks or herds,
vegetables or firewood;" Chia Lin, "one of gorges, chasms and
precipices, without a road by which to advance."]
In hemmed-in situations, you must resort to stratagem. In
desperate position, you must fight.
3. There are roads which must not be followed,
["Especially those leading through narrow defiles," says Li
Ch`uan, "where an ambush is to be feared."]
armies which must be not attacked,
[More correctly, perhaps, "there are times when an army must
not be attacked." Ch`en Hao says: "When you see your way to
obtain a rival advantage, but are powerless to inflict a real
defeat, refrain from attacking, for fear of overtaxing your men's
strength."]
towns which must not be besieged,
[Cf. III.
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