Midrash for Numbers 31:6

Another interpretation (of Numb. 31:2:) “Exact vengeance for the Children of Israel.” This text is related (to Job 36:7), “He does not withdraw His eyes from a righteous person […].” What is the meaning of “He does not withdraw His eyes from a righteous person (literally, withdraw from a righteous person his eyes)?” The Holy One, blessed be He, does not keep back from a righteous person what he wants to see with his eyes.¹³Numb. R. 22:5. [The text] teaches that Moses longed to see vengeance on the Midianites before he died, and [so] he requested from the Holy One, blessed be He, about it, that he should [see it] with his eyes. Thus it is stated concerning him (in Ps. 58:11), “A righteous person will rejoice when he sees vengeance, he will bathe his feet in the blood of the wicked person.” (Ibid.:) “A righteous person will rejoice,” this refers to Moses; “when he sees vengeance,” i.e., vengeance on Midian; “he will bathe his feet in the blood of the wicked person,” i.e., of Balaam. Moses said to Phinehas and the warring men, “I know that Balaam the Wicked is there, as he went to collect his wage. Before the wolf comes to the flock, spread the trap for him. And if you see that that wicked man is doing magic, show him the diadem, upon which it is written (according to Exod. 28:36), ‘holy to the Lord.’ And [when] he shall [then] fall, kill him.” (Numb. 31:8:) “And upon their [other] corpses they killed the kings of Midian,” as they were doing magic with Balaam and flying in the air; so they showed them the diadem and they fell upon their corpses. The sages said “It is written about Joshua (in Josh 1:5), ‘as I was with Moses, so I will be with you.’ So Joshua should have lived a hundred and twenty years like Moshe our teacher. And why were they shortened by ten years? Because at the time that the Holy One, blessed be He, said to Moses (in Numb. 31:2), ‘Exact vengeance for the Children of Israel…,’ even though the announcement of [his] death was [also] announced, he did not say, ‘Tomorrow I will die; what benefit is it to me to exact vengeance from Midian?’ Rather, he showed alacrity in the whole matter, as stated (in Numb. 31:6), ‘And Moses sent them.’ But Joshua did not do like this. When he came to war against thirty-one kings, he said, ‘If I kill them, I will die immediately, as happened to Moshe our teacher.’ What did he do? He began with one and stalled in the war [with the rest], as stated (in Josh. 11:18), ‘Joshua waged war with all those kings over a long period.’ [So] the Holy One, blessed be He, said to him, ‘See that I will shorten your years by ten years.’ David said (about this in Prov. 19:21), ‘Many thoughts are in the heart of a man, [but it is the counsel of the Lord that will stand].’”

(Numb. 31:6:) THEN MOSES SENT THEM, <A THOUSAND PER TRIBE ANONG WITH PHINEHAS BEN ELEAZAR THE PRIEST FOR THE TROOPS>. The Holy One said to Moses (in vs. 2): Take vengeance by yourself, but he sent others.¹⁵Tanh., Numb. 9:3, cont.; Numb. R. 22:4. It was simply because he had been raised in Midian. He said: It is not right for me to oppress those who have done well by me. The proverb says: Do not cast a stone into a cistern from which you have drunk water. But why did he send Phinehas before them (instead having someone else in command)? He said: Whoever has begun a religious act should finish it. <Phinehas> has (according to Numb. 25:11) TURNED AROUND MY WRATH (by executing an Israelite man copulating with the Midianite woman). Let him finish the act.

"But ye, ye are not so, whereas (Deut. 20, 4) For the Lord your God, It is who goeth with you, etc. This refers to the camp containing the Holy Ark." And why so much? Because the Holy Scroll with all its accompanied things was placed in the ark. (Fol. 43) Similar to this says the passage (Num. 31, 6) And Moses sent them a thousand of each tribe to the army. This refers to the Sanhedrian; and Phinehas, this refers to the anointed priest as the chaplain of the army! with the Holy vessels, this refers to the ark and the tables; and the trumpets for blowing the alarm, these are the hornets. We are taught in a Baraitha: Phinehas did not go in rain into that war, but to pay off the judgment of his mother's father, concerning whom it is said (Gen. 37, 36) And the Medionites sold him into Egypt. Do you mean to say that Phinehas is a descendant of Joseph? Behold, there is a passage (Ex. 6, 26) And Elazar, the son of Aaron took himself one of the daughters of Putiel, for a wife. Does not the word Putiel refer to a descend of Jethro, who fattened calves for sacrificing unto idols. [Hence he was a descendant of Jethro and not of Joseph?] Nay the word Putiel refers to Joseph who [is surnamed Putiel because he] conquered his evil inclination. But were not tribes disgracing Phinehas saying to him: "Look at the son of Putti whose mother's father fattened calves to the sacrifice of the idols, should he execute a prince of the tribe of Israel," [hence he is a descendant of Jethro? We must therefore say that if his mother's father was a descendant of Joseph then his mother's mother was of the lineage of Jethro, and if his mother's mother was a descendant of Joseph then his mother's father was of the lineage of Jethro, [hence he was thus a descendant of both.] This may also be inferred from the above passage which is written, one of the daughters (plural) of Putiel, which refers to two names. The inference is finally sustained.