Jephthah vowed a vow to Yahweh, and said, If you will indeed deliver the children of Ammon into my hand,
      (1.) It is hard to say what Jephthah did to his daughter in performance of his vow. [1.] Some think he only shut her up for a nun, and that it being unlawful, according to one part of his vow (for they make it disjunctive), to offer her up for a burnt-offering, he thus, according to the other part, engaged her to be the Lord's, that is, totally to sequester herself from all the affairs of this life, and consequently from marriage, and to employ herself wholly in the acts of devotion all her days. That which countenances this opinion is that she is said to bewail her virginity (Judges 11:37; Judges 11:38) and that she knew no man,Judges 11:39; Judges 11:39. But, if he sacrificed her, it was proper enough for her to bewail, not her death, because that was intended to be for the honour of God, and she would undergo it cheerfully, but that unhappy circumstance of it which made it more grievous to her than any other, because she was her father's only child, in whom he hoped his name and family would be built up, that she was unmarried, and so left no issue to inherit her father's honour and estate; therefore it is particularly taken notice of (Judges 11:34; Judges 11:34) that besides her he had neither son nor daughter. But that which makes me think Jephthah did not go about thus to satisfy his vow, or evade it rather, is that we do not find any law, usage, or custom, in all the Old Testament, which does in the least intimate that a single life was any branch or article of religion, or that any person, man or woman, was looked upon as the more holy, more the Lord's, or devoted to him, for living unmarried: it was no part of the law either of the priests or of the Nazarites. Deborah and Huldah, both prophetesses, are both of them particularly recorded to have been married women. Besides, had she only been confined to a single life, she needed not to have desired these two months to bewail it in: she had her whole life before her to do that, if she saw cause. Nor needed she to take such a sad leave of her companions; for those that are of that opinion understand what is said in Judges 11:40; Judges 11:40 of their coming to talk with her, as our margin reads it, four days in a year. Therefore, [2.] It seems more probable that he offered her up for a sacrifice, according to the letter of his vow, misunderstanding that law which spoke of persons devoted by the curse of God as if it were to be applied to such as were devoted by men's vows (Leviticus 27:29, None devoted shall be redeemed, but shall surely be put to death), and wanting to be better informed of the power the law gave him in this case to redeem her. Abraham's attempt to offer up Isaac perhaps encouraged him, and made him think, if God would not accept this sacrifice which he had vowed, he would send an angel to stay his hand, as he did Abraham's. If she came out designedly to be made a sacrifice, as who knows but she might? perhaps he thought that would make the case the plainer. Volenti non sit injuria--No injury is done to a person by that to which he himself consents. He imagined, it may be, that where there was neither anger nor malice there was no murder, and that his good intention would sanctify this bad action; and, since he had made such a vow, he thought better to kill his daughter than break his vow, and let Providence bear the blame, that brought her forth to meet him.