Hebrews 7:17

For the psalm bears witness, "You are a priest forever, of the priesthood of Melchizedek!"

Hebrews 5:6

For he says in another passage, "You are a priest forever of the priesthood of Melchizedek."

Hebrews 7:21

for God took no oath in appointing the old priests, but he made oath to his appointment, when he said to him, "The Lord has sworn it and he will not change; You are a priest forever!"

Hebrews 6:20

where Jesus has gone ahead of us, and become forever a high priest of the priesthood of Melchizedek.

Hebrews 5:10

since God pronounced him a high priest of the priesthood of Melchizedek.

Hebrews 7:15

The point is still more clear in view of the fact that the appointment of the new priest resembles that of Melchizedek,

Treasury of Scripture Knowledge

Summary

For he testifieth, Thou art a priest for ever after the order of Melchisedec.

Bible References

General references

Hebrews 7:15
The point is still more clear in view of the fact that the appointment of the new priest resembles that of Melchizedek,
Hebrews 5:6
For he says in another passage, "You are a priest forever of the priesthood of Melchizedek."
Hebrews 6:20
where Jesus has gone ahead of us, and become forever a high priest of the priesthood of Melchizedek.