“I have carefully perused your 13 chapters. May I submit your theory of managing soldiers to a slight test?”

Sun Tzǔ replied: “You may.”

Ho Lu asked: “May the test be applied to women?”

The answer was again in the affirmative, so arrangements were made to bring 180 ladies out of the Palace. Sun Tzǔ divided them into two companies, and placed one of the King’s favorite concubines at the head of each. He then bade them all take spears in their hands, and addressed them thus: “I presume you know the difference between front and back, right hand and left hand?”

The girls replied: “Yes.”