Misinterpretations often detach this verse from its context to promote tithing as a perpetual mandate based on Melchizedek's blessing of Abraham, overlooking its focus on Christ's messianic priesthood; others erroneously equate Melchizedek directly with a pre-incarnate Christ rather than seeing him as a type foreshadowing Jesus' eternal, non-hereditary priesthood, or assume it diminishes the need for Christ's sacrificial death by overemphasizing priesthood alone.
Hebrews 5:6
King James Version (1769)
6 As he saith also in another place, Thou art a priest for ever after the order of Melchisedec.
Hebrews 5:6 quotes Psalm 110:4 to affirm God's oath appointing the Son as a priest forever after the order of Melchizedek, emphasizing Christ's eternal priesthood that surpasses the temporary Levitical order by being grounded in divine decree rather than human ancestry, enabling him to intercede perfectly and perpetually for believers as their sympathetic high priest who experienced suffering.