And the officers shall speak further unto the people, and they shall say, What man is there that is fearful and fainthearted? let him go and return unto his house, lest his brethren's heart faint as well as his heart.
All Commentaries on Deuteronomy 20:8 Go To Deuteronomy 20
George Leo Haydock
AD 1849
Fear. Such often occasion the loss of battles. Alexander sent away all who had not courage to follow him in his expeditions. (Curt. x.) The Rabbins condemn these faint-hearted soldiers to carry water, for the army, to prepare the roads and places for encampments. (Calmet)
But this seems contrary to the intention of the lawgiver, who sends them back to their houses.