When you shall vow a vow to Jehovah your God, you shall not delay to perform it; for Jehovah your God will certainly require it of you, and it shall be sin to you.
That which has gone out of your lips, you shall keep, and shall do it. According as you have vowed as a free will offering to Jehovah your God, do even that which you have spoken with your mouth.
And the sons of Israel did not strike them, for the leaders of the congregation swore to them by Jehovah the God of Israel. And all the congregation murmured against the leaders.