16. Accordingly the enemy tests our arms and clashes together his weapons. If he sees that I am disturbed, he implants the points of his darts, so as to raise a crop of quarrels. If I utter an unseemly word, he sets his snare. Then he puts before me the opportunity for revenge as a bait, so that in desiring to be revenged, I may put myself in the snare, and draw the death-knot tight for myself. If any one feels this enemy is near, he ought to give greater heed to his mouth, lest he make room for the enemy; but not many see him.