Matt.5.33Again you have heard that it was said to those of old, ‘You shall not swear falsely, but shall perform to the Lord what you have sworn.’
Acts.2.30Being therefore a prophet, and knowing that God had sworn with an oath to him that he would set one of his descendants on his throne,
Heb.7.21but this one was made a priest with an oath by the one who said to him: “ The Lord has sworn and will not change his mind, ‘ You are a priest forever.’ ”