Carefully compare the opposing army with your own, so that you may know where strength is superabundant and where it is deficient.

Making no mistakes is what establishes the certainty of victory, for it means conquering an enemy that is already defeated.

Strategy without tactics is the slowest route to victory. Tactics without strategy is the noise before defeat.

Know thy self, know thy enemy. A thousand battles, a thousand victories.

If we wish to fight, the enemy can be forced to an engagement even though he be sheltered behind a high rampart and a deep ditch. All we need do is attack some other place that he will be obliged to relieve.

He will win whose army is animated by the same spirit throughout all its ranks.

Know thy self, know thy enemy.