If the enemy sees an advantage to be gained 486 and makes no effort to secure it, the soldiers are exhausted.

If birds gather on any spot, it is unoccupied. 487 Clamor by night betokens nervousness. 488

If there is disturbance in the camp, the general’s authority is weak. If the banners and flags are shifted about, sedition is afoot. 489 If the officers are angry, it means that the men are weary. 490