Hence the saying: If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy,… - Sun Tzu

If you know yourself but not the enemy, for every victory gained you will also suffer a defeat.

If you know the enemy and know yourself, you need not fear the result of a hundred battles.

If you know neither the enemy nor yourself, you will succumb in every battle.

If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat.

The spot where we intend to fight must not be made known; for then the enemy will have to prepare against a possible attack at several different points;

Where there are repeated wars, the people are weakened; when they score repeated victories, rulers become haughty. Let haughty rulers command weakened people, and rare is the nation that will not perish as a result.

He who advances without seeking fame,
Who retreats without escaping blame,
He whose one aim is to protect his people and serve his lord,
The man is a jewel of the Realm