"All warfare is based on deception.”

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

“Appear weak when you are strong, and strong when you are weak.”

“The supreme art of war is to subdue the enemy without fighting.” 

“The greatest victory is that which requires no battle.”

“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.” 

“To know your Enemy, you must become your Enemy.”

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

“So in war, the way is to avoid what is strong, and strike at what is weak.” 

“There is no instance of a country having benefited from prolonged warfare. ”

"Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt.” 

Thus we may know that there are five essentials for victory: 
1 He will win who knows when to fight and when not to fight. 
2 He will win who knows how to handle both superior and inferior forces.
3 He will win whose army is animated by the same spirit throughout all its ranks. 
4 He will win who, prepared himself, waits to take the enemy unprepared. 
5 He will win who has military capacity and is not interfered with by the sovereign.” 

ALL WARFARE IS BASED ON DECEPTION