The LORD hath sworn, and will not repent: 'Thou art a priest for ever after the manner of Melchizedek.'
King James Version (KJV) - Psalms 110:4 >The LORD hath sworn, and will not repent, Thou [art] a priest for ever after the order of Melchizedek.
Berean Study Bible (BSB) - Psalms 110:4 >The LORD has sworn and will not change His mind: “You are a priest forever in the order of Melchizedek.”