Principles Governing Warfare (Deuteronomy 20)

      and you see horses and chariots and people more numerous than you, do not be afarid of them; for the Lord your God is with you, who brought you up from the land of Egypt.  So it shall be, when you are on the verge of battle, that the priest shall approach and speak to the people.  And he shall say to them, Hear O Israel: Today youareon the verge of battle with yor enemies; do not let your heart faint, do not be afraid, and do not tremble, or be terrified because of them................................