| | 九地: |
孫子曰：用兵之法，有散地，有輕地，有爭地，有交地，有衢地，有重地，有圮地，有圍地，有死地。諸侯自戰其地者，為散地。入人之地而不深者，為輕地。我得則利，彼得亦利者，為爭地。我可以往，彼可以來者，為交地。諸侯之地三屬，先至而得天下之眾者，為衢地。入人之地深，背城邑多者，為重地。山林、險阻、沮澤，凡難行之道者，為圮地。所由入者隘，所從歸者迂，彼寡可以擊吾之眾者，為圍地。疾戰則存，不疾戰則亡者，為死地。是故散地則無戰，輕地則無止，爭地則無攻，交地則無絕，衢地則合交，重地則掠，圮地則行，圍地則謀，死地則戰。 |
| The Nine Situations: |
Sunzi said: The art of war recognizes nine varieties of ground: (1) Dispersive ground; (2) facile ground; (3) contentious ground; (4) open ground; (5) ground of intersecting highways; (6) serious ground; (7) difficult ground; (8) hemmed-in ground; (9) desperate ground. When a chieftain is fighting in his own territory, it is dispersive ground. When he has penetrated into hostile territory, but to no great distance, it is facile ground. Ground the possession of which imports great advantage to either side, is contentious ground. Ground on which each side has liberty of movement is open ground. Ground which forms the key to three contiguous states, so that he who occupies it first has most of the Empire at his command, is a ground of intersecting highways. When an army has penetrated into the heart of a hostile country, leaving a number of fortified cities in its rear, it is serious ground. Mountain forests, rugged steeps, marshes and fens - all country that is hard to traverse: this is difficult ground. Ground which is reached through narrow gorges, and from which we can only retire by tortuous paths, so that a small number of the enemy would suffice to crush a large body of our men: this is hemmed in ground. Ground on which we can only be saved from destruction by fighting without delay, is desperate ground. On dispersive ground, therefore, fight not. On facile ground, halt not. On contentious ground, attack not. On open ground, do not try to block the enemy's way. On the ground of intersecting highways, join hands with your allies. On serious ground, gather in plunder. In difficult ground, keep steadily on the march. On hemmed-in ground, resort to stratagem. On desperate ground, fight. |
| | 九地: |
古之所謂善用兵者，能使敵人前後不相及，眾寡不相恃，貴賤不相救，上下不相收，卒離而不集，兵合而不齊。合于利而動，不合于利而止。敢問：「敵眾整而將來，待之若何？」曰：「先奪其所愛，則聽矣；兵之情主速，乘人之不及，由不虞之道，攻其所不戒也。」 |
| The Nine Situations: |
Those who were called skillful leaders of old knew how to drive a wedge between the enemy's front and rear; to prevent co-operation between his large and small divisions; to hinder the good troops from rescuing the bad, the officers from rallying their men. When the enemy's men were united, they managed to keep them in disorder. When it was to their advantage, they made a forward move; when otherwise, they stopped still. If asked how to cope with a great host of the enemy in orderly array and on the point of marching to the attack, I should say: "Begin by seizing something which your opponent holds dear; then he will be amenable to your will." Rapidity is the essence of war: take advantage of the enemy's unreadiness, make your way by unexpected routes, and attack unguarded spots. |
| | 九地: |
是故政舉之日，夷關折符，無通其使，厲于廊廟之上，以誅其事，敵人開闔，必亟入之。先其所愛，微與之期，賤墨隨敵，以決戰爭。是故始如處女，敵人開戶，後如脫兔，敵不及拒。 |
| The Nine Situations: |
On the day that you take up your command, block the frontier passes, destroy the official tallies, and stop the passage of all emissaries. Be stern in the council-chamber, so that you may control the situation. If the enemy leaves a door open, you must rush in. Forestall your opponent by seizing what he holds dear, and subtly contrive to time his arrival on the ground. Walk in the path defined by rule, and accommodate yourself to the enemy until you can fight a decisive battle. At first, then, exhibit the coyness of a maiden, until the enemy gives you an opening; afterwards emulate the rapidity of a running hare, and it will be too late for the enemy to oppose you. |
| | 用間: |
孫子曰：凡興師十萬，出征千里，百姓之費，公家之奉，日費千金，內外騷動，怠于道路，不得操事者，七十萬家，相守數年，以爭一日之勝，而愛爵祿百金，不知敵之情者，不仁之至也，非人之將也，非主之佐也，非勝之主也。故明君賢將，所以動而勝人，成功出于眾者，先知也；先知者，不可取于鬼神，不可象于事，不可驗于度；必取于人，知敵之情者也。 |
| The Use of Spies: |
Sunzi said: Raising a host of a hundred thousand men and marching them great distances entails heavy loss on the people and a drain on the resources of the State. The daily expenditure will amount to a thousand ounces of silver. There will be commotion at home and abroad, and men will drop down exhausted on the highways. As many as seven hundred thousand families will be impeded in their labor. Hostile armies may face each other for years, striving for the victory which is decided in a single day. This being so, to remain in ignorance of the enemy's condition simply because one grudges the outlay of a hundred ounces of silver in honors and emoluments, is the height of inhumanity. One who acts thus is no leader of men, no present help to his sovereign, no master of victory. Thus, what enables the wise sovereign and the good general to strike and conquer, and achieve things beyond the reach of ordinary men, is foreknowledge. Now this foreknowledge cannot be elicited from spirits; it cannot be obtained inductively from experience, nor by any deductive calculation. Knowledge of the enemy's dispositions can only be obtained from other men. |
| | 用間: |
故三軍之事，親莫親于間，賞莫厚于間，事莫密于間，非聖智不能用間，非仁義不能使間，非微妙不能得間之實。微哉，微哉，無所不用間也。間事未發而先聞者，間與所告者皆死。 |
| The Use of Spies: |
Hence it is that which none in the whole army are more intimate relations to be maintained than with spies. None should be more liberally rewarded. In no other business should greater secrecy be preserved. Spies cannot be usefully employed without a certain intuitive sagacity. They cannot be properly managed without benevolence and straightforwardness. Without subtle ingenuity of mind, one cannot make certain of the truth of their reports. Be subtle! be subtle! and use your spies for every kind of business. If a secret piece of news is divulged by a spy before the time is ripe, he must be put to death together with the man to whom the secret was told. |
| | 用間: |
凡軍之所欲擊，城之所欲攻，人之所欲殺；必先知其守將，左右，謁者，門者，舍人之姓名，令吾間必索知之。必索敵間之來間我者，因而利之，導而舍之，故反間可得而使也。因是而知之，故鄉間內間可得而使也；因是而知之，故死間為誑事，可使告敵；因是而知之，故生間可使如期。五間之事，主必知之，知之必在于反間，故反間不可不厚也。 |
| The Use of Spies: |
Whether the object be to crush an army, to storm a city, or to assassinate an individual, it is always necessary to begin by finding out the names of the attendants, the aides-de-camp, and door-keepers and sentries of the general in command. Our spies must be commissioned to ascertain these. The enemy's spies who have come to spy on us must be sought out, tempted with bribes, led away and comfortably housed. Thus they will become converted spies and available for our service. It is through the information brought by the converted spy that we are able to acquire and employ local and inward spies. It is owing to his information, again, that we can cause the doomed spy to carry false tidings to the enemy. Lastly, it is by his information that the surviving spy can be used on appointed occasions. The end and aim of spying in all its five varieties is knowledge of the enemy; and this knowledge can only be derived, in the first instance, from the converted spy. Hence it is essential that the converted spy be treated with the utmost liberality. |
