Hebrews 5:6

As he saith also in another passage, "Thou art priest forever after the order of Melchisedec;"

Hebrews 7:17

For the testimony is, Thou art a priest for ever after the order of Melchisedec.

Hebrews 7:21

(for they indeed were made priests without an oath; but he with an oath, by him who said unto him, "The Lord hath sworn, and will not repent, Thou art a priest for ever after the order of Melchisedec:")

Hebrews 5:10

publicly proclaimed of God high-priest after the order of Melchisedec.

Hebrews 6:20

into which the forerunner for us is entered, even Jesus, made after the order of Melchisedec an high-priest for ever.

Hebrews 7:3

without father, without mother, without genealogy, having neither beginning of days nor end of life, but in exact resemblance with the Son of God, abideth a priest for ever.

Hebrews 7:15

and it is yet more abundantly evident, that there should arise another priest after the likeness of Melchisedec,

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
publicly proclaimed of God high-priest after the order of Melchisedec.
Hebrews 6:20
into which the forerunner for us is entered, even Jesus, made after the order of Melchisedec an high-priest for ever.
Hebrews 7:3
without father, without mother, without genealogy, having neither beginning of days nor end of life, but in exact resemblance with the Son of God, abideth a priest for ever.

General references

Hebrews 5:10
publicly proclaimed of God high-priest after the order of Melchisedec.
Hebrews 7:17
For the testimony is, Thou art a priest for ever after the order of Melchisedec.