Hebrews 7:21

for these men hold office without any oath having been taken, but He holds it attested by an oath from Him who said to Him, "The Lord has sworn and will not recall His words, Thou art a Priest for ever" --

Hebrews 7:17

For the words are in evidence, "Thou art a priest for ever, belonging to the order of Melchizedek."

Hebrews 6:16-18

For men swear by what is greater than themselves; and with them an oath in confirmation of a statement always puts an end to a dispute.

Treasury of Scripture Knowledge

Summary

(For those priests were made without an oath; but this with an oath by him that said unto him, The Lord sware and will not repent, Thou art a priest for ever after the order of Melchisedec:)

The lord

Sware

General references

Bible References

The lord

Hebrews 7:17
For the words are in evidence, "Thou art a priest for ever, belonging to the order of Melchizedek."

Sware

Hebrews 6:16
For men swear by what is greater than themselves; and with them an oath in confirmation of a statement always puts an end to a dispute.

General references

Hebrews 7:17
For the words are in evidence, "Thou art a priest for ever, belonging to the order of Melchizedek."