Hebrews 5:6

as also in another passage He says: "You are a priest forever, belonging to the rank of Melchizedek."

Hebrews 7:17

For the Scripture bears witness: "You are a priest forever, with the rank of Melchizedek."

Hebrews 7:21

for the Levitical priests were appointed without His taking an oath, but He with His oath, when He said to Him: "The Lord took oath and will not change, You are a priest forever" --

Hebrews 5:10

since He had received from God the title of a High Priest with the rank of Melchizedek.

Hebrews 6:20

(6:19) where Jesus has blazed the way for us and became a High Priest with the rank of Melchizedek.

Hebrews 7:3

with no father, no mother, no ancestry; no beginning to his days, no end to his life, but, like the Son of God, as priest continues on and on with no successor.

Hebrews 7:15

And it is still more overwhelmingly clear, since a different priest in the likeness of Melchizedek is appointed,

Treasury of Scripture Knowledge

Summary

As he saith also in another place, Thou art a priest for ever after the order of Melchisedec.

General references

Bible References

Thou

Hebrews 5:10
since He had received from God the title of a High Priest with the rank of Melchizedek.
Hebrews 6:20
(6:19) where Jesus has blazed the way for us and became a High Priest with the rank of Melchizedek.
Hebrews 7:3
with no father, no mother, no ancestry; no beginning to his days, no end to his life, but, like the Son of God, as priest continues on and on with no successor.

General references

Hebrews 5:10
since He had received from God the title of a High Priest with the rank of Melchizedek.
Hebrews 7:17
For the Scripture bears witness: "You are a priest forever, with the rank of Melchizedek."