Nevertheless no devoted thing, that a man shall devote unto the LORD of all that he has, both of man and animal, and of the field of his possession, shall be sold or redeemed: every devoted thing is most holy unto the LORD.
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George Leo Haydock
Devoted. Hebrew, "anathema "different from the other vows. In this case all that had life was slain, (or consecrated to God; Haydock) houses were demolished, the land belonged to the priests for ever, so that they could only let it out to laymen for a certain rent. Moses thus devoted the Amalecites to destruction; (Exodus xvii. 14) and Saul had orders to put in execution what he had denounced, 1 Kings xv. It is doubtful whether people could thus devote their children and slaves. Most authors suppose, that it was necessary that God or the nation at large should pronounce such a sentence, as was done with respect to Achan, Josue viii. See Numbers xxi. 2 and Judges xi. 31. (Calmet)