When a man takes an oath to the Lord, or gives an undertaking having the force of an oath, let him not go back from his word, but let him do whatever he has said he will do.
You are not to make use of the name of the Lord your God for an evil purpose; whoever takes the Lord's name on his lips for an evil purpose will be judged a sinner by the Lord
Or if anyone, without thought, takes an oath to do evil or to do good, whatever he says without thought, with an oath, having no knowledge of what he is doing; when it becomes clear to him, he will be responsible for any of these things.
See on the mountains the feet of him who comes with good news, giving word of peace! Keep your feasts, O Judah, give effect to your oaths: for the good-for-nothing man will never again go through you; he is completely cut off.
Then Israel made an oath to the Lord, and said, If you will give up this people into my hands, then I will send complete destruction on all their towns.
But do not give way to them, for more than forty of them are waiting for him, having taken an oath not to take food or drink till they have put him to death: and now they are ready, waiting for your order.
So Jephthah went with the responsible men of Gilead, and the people made him head and chief over them; and Jephthah said all these things before the Lord in Mizpah.
And at the end of two months she went back to her father, who did with her as he had said in his oath: and she had never been touched by a man. So it became a rule in Israel,