Numbers 25:10

“And the Lord spake unto Moses, etc.] Out of the cloud, or out of the tabernacle, at the door of which Moses now was, (<042506>Numbers 25:6), this was after so many had died of the plague, and after the fact of Phinehas, by which it was stopped: saying; as follows.”

“25:10-13 Israel’s identity as the Lord’s people was severely threatened by their unfaithfulness on this occasion. Phinehas was as zealous as God in his pursuit of holiness and justice. As a result, Phinehas and his descendants were granted a special status; God made a special covenant of peace with Phinehas, and qualified men in his family inherited a permanent right to the priesthood (cp. Mal 2:5). This unconditional covenant was similar to that extended to David (see Jer 33:19-22).”

“For this act of divine zeal the eternal possession of the priesthood was promised to Phinehas and his posterity as Jehovah's covenant of peace. בּקנאו, by displaying my zeal in the midst of them (viz., the Israelites). קנאתי is not "zeal for me," but "my zeal," the zeal of Jehovah with which Phinehas was filled, and impelled to put the daring sinners to death. By doing this he had averted destruction from the Israelites, and restrained the working of Jehovah's zeal, which had manifested itself in the plague. "I gave him my covenant of peace" (the suffix is attached to the governing noun, as in Lev 6:3). בּרית נתן, as in Gen 17:2, to give, i.e., to fulfil the covenant, to grant what was…”