“One may know how to conquer without being able to do it. ”

“To fight and conquer in all your battles is not supreme excellence; supreme excellence consists in breaking the enemy's resistance without fighting.”

“Hence to fight and conquer in all your battles is not supreme excellence; supreme excellence consists in breaking the enemy's resistance without fighting.”

“If those who are sent to draw water begin by drinking themselves, the army is suffering from thirst. [One may know the condition of a whole army from the behavior of a single man.]”

“Know your enemy and know yourself and you can fight a hundred battles without disaster”

“If you know the enemy and know yourself, your victory will not stand in doubt; if you know Heaven and know Earth, you may make your victory complete.”

“Anger may in time change to gladness; vexation may be succeeded by content.But a kingdom that has once been destroyed can never come again into being; nor can the dead ever be brought back to life.”