John 2:17

And his disciples remembered that it is written, The zeal of thine house hath eaten me up.

Acts 22:3-5

---I am indeed a Jew, born at Tarsus in Cilicia, but educated in this city at the feet of Gamaliel, accurately instructed in the law of our fathers, being zealous for God, as ye all are this day.

Romans 10:2-4

For I bear them witness that they have a zeal for God, but not according to knowledge.

Hebrews 2:17

Whence it behoved Him to be made in all things like unto his brethren, that He might be a merciful and faithful high-priest in the things concerning God, to make atonement for the sins of the people:

Hebrews 7:11

Now if perfection were by the Levitical priesthood, (for under it the people received the law) what farther need was there that another priest should arise after the order of Melchisedec, and not after the order of Aaron?

Hebrews 7:17-18

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

1 Peter 2:5

and precious, ye also are built up as living stones, a spiritual house, an holy priesthood to offer up spiritual sacrifices acceptable to God by Jesus Christ.

1 Peter 2:9

But ye are a chosen generation, a royal priesthood, a holy nation, a peculiar people; that ye should declare the glories of Him, who hath called you out of darkness into his marvellous light:

1 John 2:2

And He is the propitiation for our sins; and not for ours only, but also for the sins of the whole world.

Revelation 1:6

and hath made us kings and priests to his God and Father, to Him be glory and dominion for ever and ever. Amen.

Treasury of Scripture Knowledge

Summary

And he shall have it, and his seed after him, even the covenant of an everlasting priesthood; because he was zealous for his God, and made an atonement for the children of Israel.

Bible References

An everlasting

Hebrews 7:11
Now if perfection were by the Levitical priesthood, (for under it the people received the law) what farther need was there that another priest should arise after the order of Melchisedec, and not after the order of Aaron?
1 Peter 2:5
and precious, ye also are built up as living stones, a spiritual house, an holy priesthood to offer up spiritual sacrifices acceptable to God by Jesus Christ.
Revelation 1:6
and hath made us kings and priests to his God and Father, to Him be glory and dominion for ever and ever. Amen.