Hebrews 5:6

As he says in another place, You are a priest for ever after the order of Melchizedek.

Hebrews 7:17

For it has been witnessed of him, You are a priest for ever after the order of Melchizedek.

Hebrews 7:21

(For those were made priests without an oath, but this one was made a priest with an oath by him who says of him, The Lord gave his oath, which he will not take back, that you are a priest for ever);

Hebrews 5:10

Being named by God a high priest of the order of Melchizedek.

Hebrews 6:20

Where Jesus has gone before us, as a high priest for ever after the order of Melchizedek.

Genesis 14:18-19

And Melchizedek, king of Salem, the priest of the Most High God, took bread and wine,

Hebrews 7:3

Being without father or mother, or family, having no birth or end to his life, being made like the Son of God, is a priest for ever.

Hebrews 7:15

And this is even more clear if a second priest has come up who is like Melchizedek,

Treasury of Scripture Knowledge

Summary

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

Melchisedec

General references

Bible References

Thou

Hebrews 5:10
Being named by God a high priest of the order of Melchizedek.
Hebrews 6:20
Where Jesus has gone before us, as a high priest for ever after the order of Melchizedek.
Hebrews 7:3
Being without father or mother, or family, having no birth or end to his life, being made like the Son of God, is a priest for ever.

Melchisedec

Genesis 14:18
And Melchizedek, king of Salem, the priest of the Most High God, took bread and wine,

General references

Hebrews 5:10
Being named by God a high priest of the order of Melchizedek.
Hebrews 7:17
For it has been witnessed of him, You are a priest for ever after the order of Melchizedek.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain