When a man makes a vow to give something to the Lord or takes an oath to abstain from something, he must not break his promise, but must do everything that he said he would.
the following regulations for the people of Israel. When any of you have been given to the Lord in fulfillment of a special vow, you may be set free by the payment of the following sums of money,
to give the following instructions to the people of Israel. Any of you, male or female, who make a special vow to become a nazirite and dedicate yourself to the Lord
But the Israelites could not kill them, because their leaders had made a solemn promise to them in the name of the Lord, Israel's God. All the people complained to the leaders about this,
When he saw her, he tore his clothes in sorrow and said, “Oh, my daughter! You are breaking my heart! Why must it be you that causes me pain? I have made a solemn promise to the Lord, and I cannot take it back!”
Hannah made a solemn promise: “Lord Almighty, look at me, your servant! See my trouble and remember me! Don't forget me! If you give me a son, I promise that I will dedicate him to you for his whole life and that he will never have his hair cut.”
Zedekiah rebelled against King Nebuchadnezzar, who had forced him to swear in God's name that he would be loyal. He stubbornly refused to repent and return to the Lord, the God of Israel.