Yevamos, 100b: It implies that a Kohen must know who his father is. Consequently, if a Kohen separates from a group of ten and has relations with a woman who bears a son and one doesn't know which of the ten men is his father, the son is disqualified from the Din Kehunah. ¹

Kidushin, 66b: "Zar'o" incorporates Zera Kasher and Zera Pasul. Consequently, if a Kohen who is serving on the Mizbe'ach discovers that his mother is a Gerushah or a Chalutzah, his Avodah is valid. ²

Rashi: Now (after he killed Zimri) Pinchas was granted a permanent lease of Kehunah for himself and for his descendants. ^{1 2}

Targum Yonasan: 'Because they denigrated him by calling him the son of Puti the Midyanite, ³ I will attribute his Yichus to the Kohen Gadol - and because he took the spear with his arm, struck the Midyanite woman in her womb and prayed with his mouth on behalf of the people of Yisrael, the Kohanim will receive the three gifts [from a slaughtered Chulin Behemah] - the right foreleg, the jaws and the stomach', and it will be for him and his children after him an everlasting covenant because ehe was zealous on behalf of his G-d and atoned on behalf of B'nei Yisrael'.

Hadar Zekenim: He became the Mashu'ach Milchamah from now on.

Menachos, 20a: It teaches us that there can be no Korbanos without Kohanim. ⁴

Yerushalmi Sanhedrin, 9:7: Had Hashem not interjeted with "Vehaysah lo ? B'ris Kehunas Olam", the Chachamim would have placed Pinchas in Cherem - because the Halachah of 'Kana'im Pog'in bo' is not with the good-will of the Chachamim. ⁵

Rashi: Because he was already born when Aharon and his sons were chosen to become Kohanim, and it was only their subsequent offspring who continued the line of Kehunah. ¹

R. Bachye (citing the Ibn Ezra): It implies that Pinchas died and his sons succeded him ? in which case he cannot have been Eliyahu.

R. Bachye (citing Zevachim 101b): Pinchas was Eliyahu. Consequently, ?Zar?o Acharav? refers to his descendents after he rose to the Heaven. ^{1 2}

R. Bachye: Because he drew his blessing directly from Midas Chesed ? the Midah of Kehunah ¹ - as hinted in his name, which is the acronym of ??P?nei Chesed?, ² on account of which he did not die, as opposed to Aharon and his descendents ³

Rashi: It means 'because he was zealous on behalf of ¹ his G-d'.

Seforno: Since Pinchas quarreled Hashem's quarrel, Hashem saved him from the quarrel of competing forces. ²

Seforno: Since Pinchas quarreled Hashem's quarrel, Hashem saved him from the quarrel of competing forces. ¹

Toldos Yitzchak: Because having killed esteemed people from great families his life could have been in jeapordy. The B'ris Shalom therefore assured him that he was safe.

R. Bachye and Rosh: It teaches us that if someone kills a Rasha, it is as if he offered a Korban. ^{1 2}

Seforno: By killing the sinners in public, whereby the people received atonement by not objecting to his actions . ³

Da'as Zekenim: It teaches us that he became worthy to make other Kaparos (to offer Korbanos) on behalf of Yisrael.

Oznayim la'Torah: He was zealous on behalf of his G-d and he atoned for Yisrael. That is why he merited to become a Shali'ach of Hashem and a Shali'ach of Yisrael ⁴ to perform the Avodah in the Mishkan and in the Beis-Hamikdash.

Moshav Zekenim: Because Pinchas received "B'risi Shalom" - a B'ris with Shalom attached, as a reward for his zealous act, whereas Aharon had received the Kehunah "le'Chavod u'le'Sifares. (Sh'mos 28:2)."