21 ^c“If you make a vow to the Lord your God, you shall not delay fulfilling it, for the Lord your God will surely require it of you, and you will be guilty of sin. 22 But if you refrain from vowing, you will not be guilty of sin. 23 You shall be careful to do what has passed your lips, for you have voluntarily vowed to the Lord your God what you have promised with your mouth.

Oaths

33 “Again ^hyou have heard that it was said to those of old, ^q‘You shall not swear falsely, but ^rshall perform to the Lord what you have sworn.’ 34 But I say to you, ^sDo not take an oath at all, either by heaven, for ^tit is the throne of God, 35 or by the earth, for it is his footstool, or by Jerusalem, for it is ^uthe city of the great King. 36 And do not take an oath by your head, for you cannot make one hair white or black. 37 Let what you say be simply ‘Yes’ or ‘No’; ^vanything more than this comes from evil.¹