"There are not more than five primary colors (blue, yellow, red, white, and black), yet in combination they produce more hues than can ever be seen. There are not more than five musical notes (C, D, E,…"

"If the enemy is in the habit of using spies, send your own to deceive them."

"A leader leads by example, not by force."

"If you are strong, appear weak. If you are weak, appear strong."

"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. Hence it is a subject of inquiry which can on no account be neglected."