Hebrews 7:21 KJV
(For those priests were made without an oath; but this with an oath by him that said unto him, The Lord sware and will not repent, Thou art a priest for ever after the order of Melchisedec:)
Hebrews 7:19–23 KJV Chapter Context
19
For the law made nothing perfect, but the bringing in of a better hope did; by the which we draw nigh unto God.
20
And inasmuch as not without an oath he was made priest:
21
(For those priests were made without an oath; but this with an oath by him that said unto him, The Lord sware and will not repent, Thou art a priest for ever after the order of Melchisedec:)
22
By so much was Jesus made a surety of a better testament.
23
And they truly were many priests, because they were not suffered to continue by reason of death: