Chapter 13, Verse 27 (The End) - Sun Tzu

Hence it is only the enlightened ruler and the wise general who will use the highest intelligence of the army for purposes of spying and thereby they achieve great results. Spies are a most important element in water, because on them depends an army's ability to move.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 26 - Sun Tzu

Of old, the rise of the Yin dynasty was due to I Chih who had served under the Hsia. Likewise, the rise of the Chou dynasty was due to Lu Ya who had served under the Yin.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 25 - Sun Tzu

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.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 24 - Sun Tzu

Lastly, it is by his information that the surviving spy can be used on appointed occasions.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 23 - Sun Tzu

It is owing to his information, again, that we can cause the doomed spy to carry false tidings to the enemy.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 22 - Sun Tzu

It is through the information brought by the converted spy that we are able to acquire and employ local and inward spies.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 21 - Sun Tzu

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.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 20 - Sun Tzu

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.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 19 - Sun Tzu

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.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 18 - Sun Tzu

Be subtle! be subtle! and use your spies for every kind of business.
~ from The Art of War, Giles translation ~

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Chapter 13, Verses 15, 16 and 17 - Sun Tzu

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.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 14 - Sun Tzu

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.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 13 - Sun Tzu

Surviving spies, finally, are those who bring back news from the enemy's camp.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 12 - Sun Tzu

Having doomed spies, doing certain things openly for purposes of deception, and allowing our spies to know of them and report them to the enemy.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 11 - Sun Tzu

Having converted spies, getting hold of the enemy's spies and using them for our own purposes.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 10 - Sun Tzu

Having inward spies, making use of officials of the enemy.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 9 - Sun Tzu

Having local spies means employing the services of the inhabitants of a district.
~ from The Art of War, Giles translation ~

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Chapter 13, Verses 7 and 8 - Sun Tzu

Hence the use of spies, of whom there are five classes: (1) Local spies; (2) inward spies; (3) converted spies; (4) doomed spies; (5) surviving spies. When these five kinds of spy are all at work, none can discover the secret system. This is called "divine manipulation of the threads." It is the sovereign's most precious faculty.
~ from The Art of War, Giles translation ~

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Chapter 13, Verse 6 - Sun Tzu

Knowledge of the enemy's dispositions can only be obtained from other men.
~ from The Art of War, Giles translation ~

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Chapter 13, Verses 4 and 5 - Sun Tzu

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.
~ from The Art of War, Giles translation ~

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