Hebrews 7:17

for it is said, "thou art a priest for ever after the order of Melchisedec."

Hebrews 5:6

as he saith too in another place, "thou art a priest for ever after the order of Melchisedec."

Hebrews 7:21

by him that said to him, "the Lord has swore, and will not repent, thou art a priest for ever after the order of Melchisedec."

Hebrews 6:20

where Jesus is gone to usher us in, having been made an high priest for ever, after the order of Melchisedec.

Hebrews 5:10

God having declared him an high priest after the order of Melchisedec.

Hebrews 7:15

This appears still more clear from another priest's arising like Melchisedec,

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
This appears still more clear from another priest's arising like Melchisedec,
Hebrews 5:6
as he saith too in another place, "thou art a priest for ever after the order of Melchisedec."
Hebrews 6:20
where Jesus is gone to usher us in, having been made an high priest for ever, after the order of Melchisedec.