30 And Jephthah made a vow to the Lord . He said, "If you give me victory over the Ammonites, 31 I will give to the Lord whatever comes out of my house to meet me when I return in triumph. I will sacrifice it as a burnt offering." 32 So Jephthah led his army against the Ammonites, and the Lord gave him victory. 33 He crushed the Ammonites, devastating about twenty towns from Aroer to an area near Minnith and as far away as Abel-keramim. In this way Israel defeated the Ammonites. 34 When Jephthah returned home to Mizpah, his daughter came out to meet him, playing on a tambourine and dancing for joy. She was his one and only child; he had no other sons or daughters. 35 When he saw her, he tore his clothes in anguish. "Oh, my daughter!" he cried out. "You have completely destroyed me! You've brought disaster on me! For I have made a vow to the Lord, and I cannot take it back."
Matthew Henry's Commentary on Judges 11:30-35
Commentary on Judges 11:29-40
(Read Judges 11:29-40)
Several important lessons are to be learned from Jephthah's vow. 1. There may be remainders of distrust and doubting, even in the hearts of true and great believers. 2. Our vows to God should not be as a purchase of the favour we desire, but to express gratitude to him. 3. We need to be very well-advised in making vows, lest we entangle ourselves. 4. What we have solemnly vowed to God, we must perform, if it be possible and lawful, though it be difficult and grievous to us. 5. It well becomes children, obediently and cheerfully to submit to their parents in the Lord. It is hard to say what Jephthah did in performance of his vow; but it is thought that he did not offer his daughter as a burnt-offering. Such a sacrifice would have been an abomination to the Lord; it is supposed she was obliged to remain unmarried, and apart from her family. Concerning this and some other such passages in the sacred history, about which learned men are divided and in doubt, we need not perplex ourselves; what is necessary to our salvation, thanks be to God, is plain enough. If the reader recollects the promise of Christ concerning the teaching of the Holy Spirit, and places himself under this heavenly Teacher, the Holy Ghost will guide to all truth in every passage, so far as it is needful to be understood.