Hebrews 7:17

for He doth testify -- 'Thou art a priest -- to the age, according to the order of Melchisedek;'

Psalm 110:4

Jehovah hath sworn, and doth not repent, 'Thou art a priest to the age, According to the order of Melchizedek.'

Hebrews 5:6

as also in another place He saith, 'Thou art a priest -- to the age, according to the order of Melchisedek;'

Hebrews 7:21

and he with an oath through Him who is saying unto him, 'The Lord sware, and will not repent, Thou art a priest -- to the age, according to the order of Melchisedek;')

Hebrews 6:20

whither a forerunner for us did enter -- Jesus, after the order of Melchisedek chief priest having become -- to the age.

Hebrews 5:10

having been addressed by God a chief priest, according to the order of Melchisedek,

Hebrews 7:15

And it is yet more abundantly most evident, if according to the similitude of Melchisedek there doth arise another priest,

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
And it is yet more abundantly most evident, if according to the similitude of Melchisedek there doth arise another priest,
Hebrews 5:6
as also in another place He saith, 'Thou art a priest -- to the age, according to the order of Melchisedek;'
Hebrews 6:20
whither a forerunner for us did enter -- Jesus, after the order of Melchisedek chief priest having become -- to the age.
Psalm 110:4
Jehovah hath sworn, and doth not repent, 'Thou art a priest to the age, According to the order of Melchizedek.'