Numbers 25:13

“And he shall have it, and his seed after him, etc.] The covenant, and all the blessings of it; so the covenant stands fast with Christ, and all his spiritual seed, (<198928>Psalm 89:28,29): even the covenant of an everlasting priesthood; or this may be read in connection with the preceding words, and the sense be, and he and his shall have the covenant of an everlasting priesthood, beside the covenant of peace before promised to him: the Aaronic priesthood is called everlasting, because it was to continue, and did continue, throughout the whole Jewish dispensation, unto the coming of the Messiah, in whom it had its fulfilling end. Now though Phinehas in course was to have the priesthood at…”

“At everlasting priesthood - To continue as long as the law and common - wealth of the Jews did. But this promise was conditional, and therefore might be made void, by the miscarriages of Phinehas's sons, as it seems it was, and thereupon a like promise was made to Eli of the line of Ithamar, that he and his should walk before the Lord, namely, in the office of high - priest, for ever, which also for his and their sins was made void, Sa1 2:30. And the the priesthood returned to Phinehas's line in the time of Solomon, Kg1 2:26-27, Kg1 2:34. Numbers 25:17”

“25:13 The deaths of Zimri and Cozbi helped to purify Israel from its sin; Phinehas’s act had atoning value (see study note on Lev 1:4).”

“his seed: Sa1 2:30; Kg1 2:27; Ch1 6:4-15, Ch1 6:50-53 an everlasting: Exo 40:15; Isa 61:6; Jer 33:18, Jer 33:22; Heb 7:11, Heb 7:17, Heb 7:18; Pe1 2:5, Pe1 2:9; Rev 1:6 zealous: Kg1 19:10, Kg1 19:14; Psa 69:9, Psa 106:31, Psa 119:139; Joh 2:17; Act 22:3-5; Rom 10:2-4 atonement: Exo 32:30; Jos 7:12; Sa2 21:3; Heb 2:17; Jo1 2:2 Numbers 25:14”