And she made a vow and said, “Lord of armies, if You will indeed look on the affliction of Your bond-servant and remember me, and not forget Your bond-servant, but will give Your bond-servant a son, then I will give him to the Lord all the days of his life, and a razor shall never come on his head.”
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Vows are characteristic of this particular age of the Judges (Judges 21:5; 1 Samuel 14:24). For the law of vows in the case…

And she vowed a vow. — Hannah's vow contained two solemn promises. The first pledged the son she prayed for to the service of the …

And she vowed a vow
Which might be confirmed by her husband; otherwise the vow of a woman, if disapproved of by her …

Hannah mingled tears with her prayers; she considered the mercy of our God, who knows the troubled soul. God allows us, in prayer, not only to ask …
Albert Barnes
AlbertBarnes