Numbers 30:1-3

Amplified Bible, Classic Edition

30 And Moses said to the heads or leaders of the tribes of Israel, This is the thing which the Lord has commanded:

² If a man vows a vow to the Lord or swears an oath to bind himself by a pledge, he shall not break and profane his word; he shall do according to all that proceeds out of his mouth.

³ 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,