Or if a soul swear, pronouncing with his lips to do evil, or to do good, whatever it be that a man shall pronounce with an oath, and it be hid from him; when he knows of it, then he shall be guilty in one of these.
Whiles it remained, was it not your own? and after it was sold, was it not in your own power? why have you conceived this thing in your heart? you have not lied to men, but to God.
When you shall vow a vow to the LORD your God, you shall not slack to pay it: for the LORD your God will surely require it of you; and it would be sin in you.
And it came to pass, when he saw her, that he rent his clothes, and said, Alas, my daughter! you have brought me very low, and you are one of them that trouble me: for I have opened my mouth to the LORD, and I cannot go back.