In the "General Essentials of the Martial Arts", adapting measures to local conditions is a very important concept.

The way of the Fton soldier is advantageous in the land: if I first occupy the winning place, the enemy will not be able to control me, and if the enemy occupies the winning place first, then I will not be able to control the enemy. If you choose a place to stop the army, you can't pursue the advantages and avoid the disadvantages, it is to drive millions of people and throw yourself to the place of death, which is not a natural disaster, and it will be passed. The art of war says: terrain, soldier's help. Expect the enemy to win, and those who plan the danger and misfortune from far and near will also be the way.

The soldiers of the nine scattered lands are afraid of it, they are nostalgic for their wives, and they are scattered when they fight, which is called scattered. One said: There is no fighting key in the land, the soldiers are easy to disperse, and those who live here cannot fight. He also said: The land is far away and flat, and there is no vital point, and the soldiers are not firm and easy to disperse, so it is said that the land is scattered. The art of war says: "The princes fight their own land, and they are scattered." "If you are scattered, there will be no war. He also said: "Scattered, I will have one will." ”

Light ground is lighter than retreat. If you enter the enemy's territory deeply, it will be easy to go back and forth, you will not stop, and you will not be able to count the laborers. The Art of War says: "Entering the land of people is not deep, it is light land." The light ground is endless. And he said, "I will make it a subordinate of the light land." Wu Zi asked Sun Wu and said: "I am very light, I have entered the enemy's territory, the soldiers think far away, it is difficult to advance and easy to retreat; the three armies are afraid of the danger and obstacles; the generals want to advance, the soldiers want to retreat, and they have different intentions." The enemy defends his fortress, and rides his chariots, or when he is in front of me, or after attacking me, what is it?" Wu said: "The army is light, the soldiers are not specialized, and they are engaged in business, and there is no way to fight, so there is no way to approach their high cities, and there is no way to pass through them." Set up doubts and confusion, and show that you will go. It is to choose to ride a horse, to enter first, and to plunder its cattle and horses, and six animals. The three armies can see it, and they are not afraid to advance. Divide my good pawns, and have secret subdues. If the enemy comes, strike him without suspicion. If it doesn't, leave it behind. ”

In the place of land and convenience, the first to live wins, and it is to fight for it. The Art of War says: "I will gain and Peter will benefit, for the sake of fighting for land (the few can defeat the many, the weak can defeat the strong, but it is dangerous)." He also said: "If you fight for land, you will not attack (if the enemy has already won first, you will not attack), and I will follow behind." Wu Zi asked Sun Wu and said: "If the enemy arrives first, it is necessary to make a profit, and the soldiers should be trained and trained, or they will be out or defended, or prepared or, what will be the case?" Wu said: "The law of fighting for land is to take advantage of it first." If the enemy gets there, be careful not to attack it. Led to feints, built flags and drums, fun their loves, dragged firewood and dust, and felt their ears and eyes. Divide my good soldiers, and if you are in ambush, the enemy will come to your rescue. People want me to be with me, people abandon me to take, this way of competing for the first. If I arrive first, and the enemy uses this technique, then choose my sharp pawns to stick to their positions, and the light soldiers are ambushed in danger, and the enemy is still fighting, and the ambush soldiers are alongside, and this is the way to victory. ”

Wu said: "Since I can go, he can come, I will hide it, and it is easy to slack off, showing that it can't." When the enemy comes, he will set up an ambush and hide it, and he can be taken by surprise. ”

And he said, "I will strengthen the knot." ”

The heavy land has entered the enemy deeply, and it is difficult to provide national grain, and the soldiers are not coerced, so how can they take it?

Wu Zi asked Sun Wu and said: "I led my troops deep into the important land, and many places were crossed, and the grain road was blocked. If you want to return it, you can't do it. If you want to eat the enemy and hold the army without losing it, what is it?" Wu said: "Whoever lives in a heavy place, the soldiers are light and brave, and if they can't get through, they will plunder and eat." Under the silk silk, all tribute. Many people are rewarded, but soldiers have no return. If you want to return it, it is a guard, a deep ditch and a high base, and the enemy will be shown for a long time. The way of suspicion of the enemy, the way to eliminate the vital points privately, is to let the light chariot go one by one, and use cattle and horses as bait. If the enemy comes out, the drums will follow, and the warriors will be ambushed, and the period will be corresponding, and the internal and external will correspond, and their defeat can be known. ”

Enclosure into the narrow, return to move back, advance and retreat, although the use of the public? The Art of War says: "Those who enter are narrow, those who return from them move, and those who are widowed can attack our people, and they are encircled (difficult and dangerous to enter and exit, and easy to set up)." ”

Fight or live in the dead place, and die in the corner. The Art of War says: "If you fight, you will survive, and if you don't fight, you will die." Dead, I will show that I will not live. He also said, "If you die, you will fight, and then you will fall to the ground, and then you will fall into the ground, and then you will be killed, and then you will be able to win or lose." ”

Wu said: "The deep ditch and high fortress are shown as a garrison." Be quiet and don't move, so that you can hide what you can. Tell the three armies, show that they have no choice. Kill the oxen and burnt the cart to feed our soldiers. Burn all the grain, fill the wells, cut the hair and damage the crown, and eliminate the worries. There will be no plans left, and the soldiers will die. So the armor is sharpened, and the strength is strengthened, or the two sides (or made), the heart is shocked, and the enemy is afraid, and he does not know what to do. Sharp pawn branch, attack behind. This is to lose the way and survive, so it is said that those who are poor but do not seek are poor, and those who are poor but do not fight die. Wu Zi said: "If I try to make an enemy, then what is it?" Wu said: "The mountain enemy is dangerous, and it is difficult to overcome, so it is called a poor man." The method of attacking: Fu is hidden, open the way to go, show it to walk, survive and reveal, there will be no fighting will. Therefore if you strike it, you will be defeated. The Art of War also said: "If the enemy is in the place of death, the soldier has the courage to attack: if he does not resist, and guards his brake, he will open his way, and divide the key road with fine cavalry, and then lure him with light soldiers, and do not fight in battle, and the method of defeat is also." ”

It is impossible to hang out, and it is difficult to return. The Art of War says: "I can go, I can retreat if it is difficult, and I am called hanging." If the enemy is unprepared and does not win, it will be difficult to return, and it will be disadvantageous. ”

If the enemy guards the pass, I will go, and if there is no defense, I will follow. The Art of War says: "Those who are narrow-formed, I will live in them first, and I will wait for the enemy." If the enemy lives first, do not obey it, and follow it if you do not make it. ”

Far form fights against the enemy, and victory or defeat is unknown. The Art of War says: "The husband is far away, the power is even, and if it is difficult to challenge, it is unfavorable." ”

Wu Zi asked Sun Wu and said: "The enemy protects the mountain and dangers, chooses the advantage and deals with it, and the food is sufficient, but if he picks it, he will not come out, and if he takes advantage of it, he will invade and plunder, what can he do about it?" He said: "Divide the troops and guard the important points, be cautious, sneak into their feelings, wait for their blades, lure them with profit, and prohibit them from grazing." If you don't get anything for a long time, you will naturally change. When you leave it, you will take away what you love. ”

The soldiers of the Valley War are skillful in setting up ambushes, selecting elites, and currently ranking with strong crossbows. The second time is a short soldier, brave and quick battle. He also chooses a light-footed pawn, chooses a path to raise and look down, and fights with enemy soldiers, or builds more strengths, and exalts himself to shock him. Whenever he encounters an enemy in a mountain gorge, he will make a loud noise, first make him panic, and then mutate to strike at him. Where troops are sent deep into the country, they encounter large forests and refuse to divide the forest with the enemy, which is called forest warfare. Our army is divided into a charging formation, where the soldiers are, with spears and crossbows as the table and battle shields as the inside. Cut down the grass and trees, and go very wide so that the halberd can be placed. Hold high the banner, be cautious of the army, and do not let the enemy know the truth of my feelings. Then I pawned my spear and crossbow, and we were in company. If there are few trees in the forest, it will be supplemented by riding, and if it is profitable, it will be fought, and if it is not profitable, it will be stopped. If there are many forests and dangers, be prepared to rush before and after, and fight more restfully, and the enemy will go. The way of forest warfare, the day is wide, the night is full of fire drums, the use of short soldiers, skillfully in the ambush, or in the front, or from the back, left to the right, to strengthen the crossbow. Profit and keep the risk.

It is the weapon of the country in the majority. And its people are good at riding but not good at walking, and the national infantry has the sharpness of a strong crossbow and a sharp blade, which is enough to resist it. However, the invincible of the country, human nature is safe, not as hard as it is in the frost and snow, sand moraine, barren land, and its nature is not good at attacking, and the attack is not long, but the impact of profit, so the famous generals in the previous life must be controlled, and not compete with the competition. The barbarians of the south are fierce and angry in nature, and they are happy to be thieves, but they cannot be strong; they only use javelins, side cards, throwing knives, ring knives, and wooden crossbows as weapons; those who are good at medicine arrows shout and die in faith; they block the water by the mountains, and they are afraid of their dangers, and if they are in a hurry, they will be ambushed, and if they are slow, they will plunder; if they are floating boats, there will be many waterways, and if they travel by land, they will not be able to advance, and it is beyond the ability of the country. The method of striking this is conducive to leveling the ground, so as to lure them slightly, hide the elite soldiers, and steal them. The art of seduction, many vertical and anti-regurgitative, out of the words of heavy coins, to provoke, into my plan.

Therefore, Wu Qi, the good general of the ancients, also often talked about the different customs of the Six Kingdoms: said: "The Fu Qi formation is heavy but not strong, the Qin array is scattered and fights by itself, the Chu array is not long in order, the Yan array is guarded and should go, and the Sanjin array is not used." The husband is strong, the country is rich, the monarch is arrogant and simple in the small people, its government is lenient, uneven, and two hearts for a while, the front is heavy and the back is light. The way of striking must be divided into three, hunting it left and right, coercing and following it, and its formation can be broken.

Chu is weak, its territory is wide, its politics is impatient, and its people are tired, so it will not be long after rectification. Attack this way, attack and disrupt its tun, seize its position first, advance lightly and retreat quickly, work hard for disadvantages, do not fight with it, and its army will be defeated.

The three Jins, the country also, its sex and its political peace,. His people are sick in battle, accustomed to soldiers, light on their generals, thin on their will, and soldiers have no will to die, so they don't use it. Attack this way, limit the formation and suppress it, the crowd comes and rejects it, and if you go, you will chase it, and if you are tired of its division, you can be defeated. It is said that if they are guilty of the disadvantages of their human nature, and they will be the ones who have lost their national politics, and if they are controlled because of their shortcomings, then I will benefit from them, and they will suffer from them, and they will be easy to do it. ”