"The art of war is like a game of chess, but with real lives."

"To not prepare is the greatest of crimes; to be prepared for any eventuality is the greatest of virtues."

"There are not more than five musical notes, yet the combinations of these five give rise to more melodies than can ever be heard."

"Never venture to attack, unless you are quite sure of success."

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