Moses spoke to the heads of the tribes of the children of Israel, saying, “This is the thing which the LORD has commanded.
When a man vows a vow to the LORD, or swears an oath to bind his soul with a bond, he shall not break his word.
He shall do according to all that proceeds out of his mouth.
“Also, when a woman vows a vow to the LORD and binds herself by a pledge, being in her father’s house, in her youth,
