“All these changes must be learnt, and the weapons distributed. This is the business of the general.”
Wu the Master said:—
“In the teaching of war, spears are given to the short; bows and catapults to the tall; banners and standards to the strong; the bell and drum to the bold; fodder and provisions to the feeble; the arrangement of the plan to the wise. Men of the same district should be united; and groups and squads should help each other. At one beat of the drum the ranks are put in order; at two beats of the drum, formation will be made; at three beats of the drum, food will be issued; at four beats of the drum, the men will prepare to march; at five beats of the drum, ranks will be formed; when the drums beat together, then the standards will be raised.”
And Lord Wen asked and said:—
“What is the way of marching and halting an army?”
And Wu answered:—
“Natural ovens and dragons’ heads should be avoided. Natural ovens are the mouths of large valleys. Dragons’ heads are the extremities of large mountains. The green dragons (banners) should be placed on the left, and the white tigers on the right; the red sparrows in front; the snakes and tortoises behind; the pole star (standard) above; and the soldiers will look to the standard.
“When going forth to battle, the direction of the wind must be studied; if blowing in the direction of the enemy, the soldiers will be assembled and follow the wind; if a head wind, the position will be strengthened, and a wait made for the wind to change.”
And Lord Wen asked and said:—