Heb Hebrews, chapter Epistle to the Hebrews, chapter 7
And none of this happened without an oath. For others became priests without an oath, but Jesus became 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 in the order of Melchizedek.’”7:21 Psalm 110:4; CT does not include in the order of Melchizedek.Psa 110:4