Those whose upper and lower ranks have the same desire are victorious.
Who can determine where one ends and the other begins?
In the midst of chaos, there is also opportunity.
If those who are sent to draw water begin by drinking themselves, the army is suffering from thirst.
Move not unless you see an advantage; use not your troops unless there is something to be gained; fight not unless the position is critical.
In the practical art of war, the best thing of all is to take the enemy's country whole and intact; to shatter and destroy it is not so good.