Hebrews 7:21

(For they truly without sacrifice sanctioned by solemn oath became priests; but he with the sacrifice sanctioned by solemn oath by him, saying to him, The Lord sware, and will not repent, Thou priest forever, according to the order of Melchisedec:)

Psalm 110:4

Jehovah sware and he will not lament, Thou a priest forever according to the manner of Melchizedeck.

Hebrews 7:17

For he testifies, Thou a priest forever, according to the order of Melchisedec.

1 Samuel 15:29

And also the glory of Israel will not lie, and he will not lament: for he not a man to lament.

Hebrews 6:16-18

For truly men swear by the greater: and the oath for confirmation to them the end of all controversy.

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:)

Sware

General references

Bible References

The lord

Hebrews 7:17
For he testifies, Thou a priest forever, according to the order of Melchisedec.
Psalm 110:4
Jehovah sware and he will not lament, Thou a priest forever according to the manner of Melchizedeck.

Sware

Hebrews 6:16
For truly men swear by the greater: and the oath for confirmation to them the end of all controversy.

General references

Hebrews 7:17
For he testifies, Thou a priest forever, according to the order of Melchisedec.