21 Eleazar the priest said to the men of war who went to the battle, "This is the statute of the law which Yahweh has commanded Moses:
*Minor differences ignored. Grouped by changes, with first version listed as example.
And Eleazar the priest said unto the men of war, which went to the battle,.... To all the soldiers, officers, and common men:
this is the ordinance of the law, which the Lord commanded Moses; concerning the purification of unclean persons and things, hereby confirming what Moses had said.
To this end Eleazar, whose duty it was as high priest to see that the laws of purification were properly observed, issued fuller instructions with reference to the purification of the different articles, in accordance with the law in ch. 19. למּלחמה הבּאים, those who came to the war, i.e., who went into the battle (see at Numbers 10:9). "The ordinance of the law:" as in Numbers 19:2. The metal (gold, silver, copper, tin, lead), all that usually comes into the fire, i.e., that will bear the fire, was to be drawn through the fire, that it might become clean, and was then to be sprinkled with water of purification (Numbers 19:9); but everything that would not bear the fire was to be drawn through water. - The washing of clothes on the seventh day was according to the rule laid down in Numbers 19:19.
*More commentary available at chapter level.