"Know thy self, know thy enemy. A thousand battles, a thousand victories."

"If your opponent is of choleric temper, seek to irritate him. Pretend to be weak, that he may grow arrogant."

"The general who advances without coveting fame and retreats without fearing disgrace, whose only thought is to protect his country and do good service for his sovereign, is the jewel of the kingdom."

"He who is skilled in attack flashes forth from the topmost heights of heaven."

"If I am able to determine the enemy's dispositions while at the same time I conceal my own, then I can concentrate and he must divide."