"Rouse him, and learn the principle of his activity or inactivity. Force him to reveal himself, so as to find out his vulnerable spots."

"The art of war is of vital importance to the State. It is a matter of life and death, a road either to safety or to ruin."

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

"For to win one hundred victories in one hundred battles is not the acme of skill. To subdue the enemy without fighting is the acme of skill."

"Speed is the essence of war."