Jamieson-Fausset-Brown on Numbers 35:16
If he smite him with an instrument of iron, so that he die, &c.--Various cases are here enumerated in which the Goel or avenger was at liberty to take the life of the murderer; and every one of them proves a premeditated purpose.
Adam Clarke on Numbers 35:12
Until he stand before the congregation in judgment - So one of these cities was not a perpetual asylum; It was only a pro tempore refuge, till the case could be fairly examined by the magistrates in the presence of the people, or the elders their representatives; and this was done in the city or place where he had done the murder, Jos 20:4, Jos 20:6. If he was found worthy of death, they delivered him to the avenger that he might be slain, Deu 19:12; if not, they sent him back to the city of refuge, where he remained till the death of the high priest, Num 35:25. Before the cities of refuge were appointed, the altar appears to have been a sanctuary for those who had killed a person unwittingl…
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And if he smite him with an instrument of iron, so that he die,.... As with an hatchet, hammer, sword, knife, &c.
he is a murderer; the instrument used by him, and with which he smote, shows that he had a bad design, and intended to kill, or he would never have smitten a man with such an instrument:
the murderer shall surely be put to death; be condemned to death, and be executed, by the order of the civil magistrate, according to the law in Genesis 9:6 and not be allowed the benefit of a city of refuge.
John Calvin on Numbers 35:9–end
Numbers 35:9-34
9. And the Lord spoke unto Moses, saying,
9. Et locutus est Jehova ad Mosen dicendo:
10. Speak unto the children of Israel, and say unto them, When ye be come over Jordan into the land of Canaan,
10. Alloquere filios Israel, et dicas eis, Quum transieritis Jordanem in terra Chanaan,
11. Then ye shall appoint you cities to be cities of refuge for you; that the slayer may flee thither, which killeth any person at unawares.
11. Constituetis vobis urbes: urbes autem refugii erunt vobis, quo fugiet homicida qui percusserit aliquem per errorem.
12. And they shall be unto you cities for refuge from the avenger; that the manslayer die not, until he stand before the congregati…