I have heard that the ancients used bows and arrows to their advantage. 19 The Lun Yu says: “There must be a sufficiency of military strength.” 20 The Shu Ching mentions “the army” among the “eight objects of government.” 21 The I Ching says: “ 師 ‘army’ indicates firmness and justice; the experienced leader will have good fortune.” 22 The Shih Ching says: “The King rose majestic in his wrath, and he marshaled his troops.”