Victorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win.
When torrential water tosses boulders, it is because of its momentum. When the strike of a hawk breaks the body of its prey, it is because of timing.
A military operation involves deception. Even though you are competent, appear to be incompetent. Though effective, appear to be ineffective.
One defends when his strength is inadaquate, he attacks when it is abundant
Speed is the essence of war. Take advantage of the enemy's unpreparedness; travel by unexpected routes and strike him where he has taken no precautions.
He who knows when he can fight and when he cannot will be victorious.