Judges 11:30
And Jephthah made a vow to the LORD and said, "If you will give the Ammonites into my hand,
Genesis 28:20
Then Jacob made 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 wear,
1 Samuel 1:11
And she vowed a vow and said, "O LORD of hosts, if you will indeed look on the affliction of your servant and remember me and not forget your servant, but will give to your servant a son, then I will give him to the LORD all the days of his life, and no razor shall touch his head."
Numbers 30:2-16
If a man vows a vow to the LORD, or swears an oath to bind himself by a pledge, 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 the house of God. To draw near to listen is better than to offer the sacrifice of fools, for they do not know that they are doing evil.
Ecclesiastes 5:4-5
When you vow a vow to God, do not delay paying it, for he has no pleasure in fools. Pay what you vow.