Judges 11:30
Jephthah vowed a vow to Yahweh, and said, "If you will indeed deliver the children of Ammon into my hand,
Genesis 28:20
Jacob vowed a vow, saying, "If God will be with me, and will keep me in this way that I go, and will give me bread to eat, and clothing to put on,
1 Samuel 1:11
She vowed a vow, and said, "Yahweh of Armies, if you will indeed look on the affliction of your handmaid, and remember me, and not forget your handmaid, but will give to your handmaid a boy, then I will give him to Yahweh all the days of his life, and no razor shall come on his head."
Numbers 30:2-16
When a man vows a vow to Yahweh, or swears an oath to bind his soul with a bond, he shall not break his word; he shall do according to all that proceeds out of his mouth.
Ecclesiastes 5:1-2
Guard your steps when you go to God's house; for to draw near to listen is better than to give the sacrifice of fools, for they don't know that they do evil.
Ecclesiastes 5:4-5
When you vow a vow to God, don't defer to pay it; for he has no pleasure in fools. Pay that which you vow.