The Art of War孙子兵法
The Art of War/Chapter 8

Variation of Tactics

九变篇
Jiǔ Biàn Piān

Do not follow the rule for its own sake. Five roads are not to be taken, and five faults destroy a general.

14 sentences · 19 notes
孙sūn子zǐ曰yuē:凡fán用yòng兵bīng之zhī法fǎ,将jiàng受shòu命mìng于yú君jūn,合hé军jūn聚jù众zhòng,圮pǐ地dì无wú舍shè,衢qú地dì交jiāo合hé,绝jué地dì无wú留liú,围wéi地dì则zé谋móu,死sǐ地dì则zé战zhàn。途tú有yǒu所suǒ不bù由yóu,军jūn有yǒu所suǒ不bù击jī,城chéng有yǒu所suǒ不bù攻gōng,地dì有yǒu所suǒ不bù争zhēng,君jūn命mìng有yǒu所suǒ不bù受shòu。

1Sun Tzŭ said: In war, the general receives his commands from the sovereign, collects his army and concentrates his forces.

NotesRepeated from VII. § 1, where it is certainly more in place. It may have been interpolated here merely in order to supply a beginning to the chapter.

2When in difficult country, do not encamp. In country where high roads intersect, join hands with your allies. Do not linger in dangerously isolated positions. In hemmed-in situations, you must resort to stratagem. In a desperate position, you must fight.

NotesThe last situation is not one of the Nine Situations as given in the beginning of chap. XI, but occurs later on (ibid. § 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."

3There are roads which must not be followed, armies which must be not attacked, towns which must not be besieged, positions which must not be contested, commands of the sovereign which must not be obeyed.

Notes"Especially those leading through narrow defiles," says Li Ch’uan, "where an ambush is to be feared."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."Cf. III. § 4 Ts’ao Kung gives an interesting illustration from his own experience. When invading the territory of Hsu-chou, he ignored the city of Hua-pi, which lay directly in his path, and pressed on into the heart of the country. This excellent strategy was rewarded by the subsequent capture of no fewer than fourteen important district cities. Chang Yu says: "No town should be attacked which, if taken, cannot be held, or if left alone, will not cause any trouble." Hsun Ying, when urged to attack Pi-yang, replied: "The city is small and well-fortified; even if I succeed intaking it, it will be no great feat of arms; whereas if I fail, I shall make myself a laughing-stock." In the seventeenth century, sieges still formed a large proportion of war. It was Turenne who directed attention to the importance of marches, countermarches and manœuvers. He said: "It is a great mistake to waste men in taking a town when the same expenditure of soldiers will gain a province." 1This is a hard saying for the Chinese, with their reverence for authority, and Wei Liao Tzŭ (quoted by Tu Mu) is moved to exclaim: "Weapons are baleful instruments, strife is antagonistic to virtue, a military commander is the negation of civil order!" The unpalatable fact remains, however, that even Imperial wishes must be subordinated to military necessity.
故gù将jiàng通tōng于yú九jiǔ变biàn之zhī地dì利lì者zhě,知zhī用yòng兵bīng矣yǐ;将jiàng不bù通tōng于yú九jiǔ变biàn之zhī地dì利lì者zhě,虽suī知zhī地dì形xíng,不bù能néng得dé地dì之zhī利lì矣yǐ;治zhì兵bīng不bù知zhī九jiǔ变biàn之zhī术shù,虽suī知zhī五wǔ利lì,不bù能néng得dé人rén之zhī用yòng矣yǐ。

4The general who thoroughly understands the advantages that accompany variation of tactics knows how to handle his troops.

5The general who does not understand these, may be well acquainted with the configuration of the country, yet he will not be able to turn his knowledge to practical account.

NotesLiterally, "get the advantage of the ground," which means not only securing good positions, but availing oneself of natural advantages in every possible way. Chang Yu says: "Every kind of ground is characterized by certain natural features, and also gives scope for a certain variability of plan. How it is possible to turn these natural features to account unless topographical knowledge is supplemented by versatility of mind?"

6So, the student of war who is unversed in the art of war of varying his plans, even though he be acquainted with the Five Advantages, will fail to make the best use of his men.

NotesChia Lin tells us that these imply five obvious and generally advantageous lines of action, namely: "if a certain road is short, it must be followed; if an army is isolated, it must be attacked; if a town is in a parlous condition, it must be besieged; if a position can be stormed, it must be attempted; and if consistent with military operations, the ruler’s commands must be obeyed." But there are circumstances which sometimes forbid a general to use these advantages. For instance, "a certain road may be the shortest way for him, but if he knows that it abounds in natural obstacles, or that the enemy has laid an ambush on it, he will not follow that road. A hostile force may be open to attack, but if he knows that it is hard-pressed and likely to fight with desperation, he will refrain from striking," and so on.
是shì故gù智zhì者zhě之zhī虑lǜ,必bì杂zá于yú利lì害hài。杂zá于yú利lì而ér务wù可kě信xìn也yě,杂zá于yú害hài而ér患huàn可kě解jiě也yě。

7Hence in the wise leader’s plans, considerations of advantage and of disadvantage will be blended together.

Notes"Whether in an advantageous position or a disadvantageous one," says Ts’ao Kung, "the opposite state should be always present to your mind."

8If our expectation of advantage be tempered in this way, we may succeed in accomplishing the essential part of our schemes.

NotesTu Mu says: "If we wish to wrest an advantage from the enemy, we must not fix our minds on that alone, but allow for the possibility of the enemy also doing some harm to us, and let this enter as a factor into our calculations."

9If, on the other hand, in the midst of difficulties we are always ready to seize an advantage, we may extricate ourselves from misfortune.

NotesTu Mu says: "If I wish to extricate myself from a dangerous position, I must consider not only the enemy’s ability to injure me, but also my own ability to gain an advantage over the enemy. If in my counsels these two considerations are properly blended, I shall succeed in liberating myself…. For instance; if I am surrounded by the enemy and only think of effecting an escape, the nervelessness of my policy will incite my adversary to pursue and crush me; it would be far better to encourage my men to deliver a bold counter-attack, and use the advantage thus gained to free myself from the enemy’s toils." See the story of Ts’ao Ts’ao, VII. § 35, note.
是shì故gù屈qū诸zhū侯hóu者zhě以yǐ害hài,役yì诸zhū侯hóu者zhě以yǐ业yè,趋qū诸zhū侯hóu者zhě以yǐ利lì。

10Reduce the hostile chiefs by inflicting damage on them; and make trouble for them, and keep them constantly engaged; hold out specious allurements, and make them rush to any given point.

NotesChia Lin enumerates several ways of inflicting this injury, some of which would only occur to the Oriental mind:—"Entice away the enemy’s best and wisest men, so that he may be left without counselors. Introduce traitors into his country, that the government policy may be rendered futile. Foment intrigue and deceit, and thus sow dissension between the ruler and his ministers. By means of every artful contrivance, cause deterioration amongst his men and waste of his treasure. Corrupt his morals by insidious gifts leading him into excess. Disturb and unsettle his mind by presenting him with lovely women." Chang Yu (after Wang Hsi) makes a different interpretation of Sun Tzŭ here: "Get the enemy into a position where he must suffer injury, and he will submit of his own accord."Tu Mu, in this phrase, in his interpretation indicates that trouble should be made for the enemy affecting their "possessions," or, as we might say, "assets," which he considers to be "a large army, a rich exchequer, harmony amongst the soldiers, punctual fulfillment of commands." These give us a whip-hand over the enemy.Literally, "make servants of them." Tu Yu says "prevent them from having any rest."Meng Shih’s note contains an excellent example of the idiomatic use of: "cause them to forget pien (the reasons for acting otherwise than on their first impulse), and hasten in our direction."
故gù用yòng兵bīng之zhī法fǎ,无wú恃shì其qí不bù来lái,恃shì吾wú有yǒu以yǐ待dài也yě;无wú恃shì其qí不bù攻gōng,恃shì吾wú有yǒu所suǒ不bù可kě攻gōng也yě。

11The art of war teaches us to rely not on the likelihood of the enemy’s not coming, but on our own readiness to receive him; not on the chance of his not attacking, but rather on the fact that we have made our position unassailable.

故gù将jiàng有yǒu五wǔ危wēi:必bì死sǐ,可kě杀shā也yě;必bì生shēng,可kě虏lǔ也yě;忿fèn速sù,可kě侮wǔ也yě;廉lián洁jié,可kě辱rǔ也yě;爱ài民mín,可kě烦fán也yě。凡fán此cǐ五wǔ者zhě,将jiàng之zhī过guò也yě,用yòng兵bīng之zhī灾zāi也yě。覆fù军jūn杀shā将jiàng,必bì以yǐ五wǔ危wēi,不bù可kě不bù察chá也yě。

12There are five dangerous faults which may affect a general: (1) Recklessness, which leads to destruction; (2) cowardice, which leads to capture; (3) a hasty temper, which can be provoked by insults; (4) a delicacy of honour which is sensitive to shame; This need not be taken to mean that a sense of honour is really a defect in a general. What Sun Tzŭ condemns is rather an exaggerated sensitiveness to slanderous reports, the thin-skinned man who is stung by opprobrium, however undeserved. Mei Yao-ch’en truly observes, though somewhat paradoxically: "The seeker after glory should be careless of public opinion." (5) over-solicitude for his men, which exposes him to worry and trouble.

Notes"Bravery without forethought," as Ts’ao Kung analyzes it, which causes a man to fight blindly and desperately like a mad bull. Such an opponent, says Chang Yu, "must not be encountered with brute force, but may be lured into an ambush and slain." Cf. Wu Tzŭ, chap. IV. ad init.: "In estimating the character of a general, men are wont to pay exclusive attention to his courage, forgetting that courage is only one out of many qualities which a general should possess. The merely brave man is prone to fight recklessly; and he who fights recklessly, without any perception of what is expedient, must be condemned." Ssu-ma Fa, too, makes the incisive remark: "Simply going to one’s death does not bring about victory."Ts’ao Kung defines the Chinese word translated here as "cowardice" as being of the man "whom timidity prevents from advancing to seize an advantage," and Wang Hsi adds "who is quick to flee at the sight of danger." Meng Shih gives the closer paraphrase "he who is bent on returning alive," this is, the man who will never take a risk. But, as Sun Tzŭ knew, nothing is to be achieved in war unless you are willing to take risks. T’ai Kung said: "He who lets an advantage slip will subsequently bring upon himself real disaster." In 404 A.D., Liu Yu pursued the rebel Huan Hsuan up the Yangtsze and fought a naval battle with him at the island of Ch’eng-hung. The loyal troops numbered only a few thousands, while their opponents were in great force. But Huan Hsuan, fearing the fate which was in store for him should be be overcome, had a light boat made fast to the side of his war-junk, so that he might escape, if necessary, at a moment’s notice. The natural result was that the fighting spirit of his soldiers was utterly quenched, and when the loyalists made an attack from windward with fireships, all striving with the utmost ardor to be first in the fray, Huan Hsuan’s forces were routed, had to burn all their baggage and fled for two days and nights without stopping. Chang Yu tells a somewhat similar story of Chao Ying-ch’i, a general of the Chin State who during a battle with the army of Ch’u in 597 B.C. had a boat kept in readiness for him on the river, wishing in case of defeat to be the first to get across.Tu Mu tells us that Yao Hsing, when opposed in 357 A.D. by Huang Mei, Teng Ch’iang and others shut himself up behind his walls and refused to fight. Teng Ch’iang said: "Our adversary is of a choleric temper and easily provoked; let us make constant sallies and break down his walls, then he will grow angry and come out. Once we can bring his force to battle, it is doomed to be our prey." This plan was acted upon, Yao Hsiang came out to fight, was lured as far as San-yuan by the enemy’s pretended flight, and finally attacked and slain.Here again, Sun Tzŭ does not mean that the general is to be careless of the welfare of his troops. All he wishes to emphasize is the danger of sacrificing any important military advantage to the immediate comfort of his men. This is a shortsighted policy, because in the long run the troops will suffer more from the defeat, or, at best, the prolongation of the war, which will be the consequence. A mistaken feeling of pity will often induce a general to relieve a beleaguered city, or to reinforce a hard-pressed detachment, contrary to his military instincts. It is now generally admitted that our repeated efforts to relieve Ladysmith in the South African War were so many strategical blunders which defeated their own purpose. And in the end, relief came through the very man who started out with the distinct resolve no longer to subordinate the interests of the whole to sentiment in favour of a part. An old soldier of one of our generals who failed most conspicuously in this war, tried once, I remember, to defend him to me on the ground that he was always "so good to his men." By this plea, had he but known it, he was only condemning him out of Sun Tzŭ’s mouth.

13These are the five besetting sins of a general, ruinous to the conduct of war.

14When an army is overthrown and its leader slain, the cause will surely be found among these five dangerous faults. Let them be a subject of meditation.

Translator's note on this chapter

The heading means literally "The Nine Variations," but as Sun Tzŭ does not appear to enumerate these, and as, indeed, he has already told us (V §§ 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 vary 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.

Chinese commentary · 16 notes

Classical commentary in Chinese, for readers who come to the text in Chinese.

1圮地:难于通行的地区。圮(pǐ),毁坏的意思。《九地》:“行山林、险阻、沮泽,凡难行之道者,为圮地。”

2衢地:四通八达的地区。衢(qú),四通八达。《九地》:“诸侯之地三属,先至而得天下之众者,为衢地。”

3绝地:指交通困难,又无水草粮食,难于生存的地区。《九地》:“去国越境而师者,绝地也。”

4围地:指地形四面险阻,出入通路狭窄的地区。《九地》:“所由入者隘,所从归者迂,彼寡可以击吾之众者,为围地。”又说:“背固前隘者,围地也。”

5死地:指前不得进,后不得退,非死战就难以生存的地区。《九地》:“疾战则存,不疾战则亡者,为死地。”又说:“无所往者,死地也。”

6途有所不由:途,道路。有的道路不要去走。

7五利:指“圮地无舍,衢地交合,绝地无留,围地则谋,死地则战。”也有指“途有所不由,军有所不击,城有所不攻,地有所不争,君命有所不受。”但其中“君命有所不受”不属于地形的范围。

8杂于利害:杂,掺杂,这里引申为“兼顾”。曹操注:“在利思害,在害思利。”考虑到有利、有害两个方面。

9杂于利而务可信:务,事的意思;信,通“伸”(shēn),伸行、发展的意思。在不利情况下考虑到有利方面,事情便可以顺利进行。

10杂于害而患可解:在有利情况下,考虑到不利的方面,祸患就可以解除。

11趋:归附、依附。《荀子议兵》:“故近者歌讴而乐之,远者竭蹶而趋之。”这里的“趋”,也是归附的意思。

12必死,可杀也:指勇而无谋,只知死拼,可能被敌军杀害。

13必生,可虏也:虏,俘虏。临阵畏怯,贪生怕死,可能被敌俘虏。

14忿速,可侮也:忿(fèn),愤怒。指将帅性格暴躁而急于求成,就可能被敌人的侮辱所激怒,因而急躁冒进,招致失败。

15廉洁,可辱也:廉洁,这里指廉洁好名,过于自尊。廉洁本来是一种好的品德,但是过于追求廉洁的好名声,就可能因敌人所散布的流言蜚语而感到羞辱,以致不顾利害得失,但求一战而雪耻,这也是很危险的。

16爱民,可烦也:爱民也是将帅的一种好品德,是将帅五德智、信、仁、勇、严中仁的具体表现。但将帅的仁,应该是一种大仁,而不应念念于小的爱民和不忍,即所谓妇人之仁。即应从大局出发,以取得战争的胜利为最大的仁,为此不惜以必要的牺牲为代价。不能被敌人的一些暴行所干扰,以致顾此失彼,危及整个大局。

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