“When you go out to war against your enemies, and the LORD your God gives them into your hand and you take them captive,
10. When thou goest forth to war. The same thing is now commanded respecting wives as above respecting meats. As regarded the Canaanites, who were destined and devoted to destruction, we have seen that the Israelites were prohibited from taking their women to wife, lest this connection should be an enticement to sin; but Moses now goes further, viz., that the Israelites, having obtained a...
By this law a soldier is allowed to marry his captive if he pleased. For the hardness of their hearts Moses gave them this permission, lest, if they had not had liberty given them to marry such, they should have taken liberty to defile themselves with them, and by such wickedness the camp would have been troubled.
Commenting on Deuteronomy 21:10-14
When thou goest forth to war against thine enemies,.... This refers to an arbitrary war, as Jarchi remarks, which they entered into of themselves, of choice, or through being provoked to it by their enemies; and not a war commanded by the Lord, as that against the seven nations of Canaan, and against Amalek; since there were to be no captives in that war, but...