John Gills Exposition of the Bible Commentary - Isaiah 66:21
And I will also take of them for priests ,.... That is, of the Gentiles, the brethren brought as an offering to the Lord; and therefore must respect Gospel times, when the Aaronic priesthood would be changed and cease, which admitted not of Gentiles, nor any of any other tribe in Israel, but the tribe of Levi; nor is this to be understood of the spiritual priesthood common to all believers, 1 Peter 2:5 since of those converted Gentiles brought, not all, but only some of them, would be... read more
Matthew Henry's Complete Commentary - Isaiah 66:15-24
These verses, like the pillar of cloud and fire, have a dark side towards the enemies of God's kingdom and all that are rebels against his crown, and a bright side towards his faithful loyal subjects. Probably they refer to the Jews in captivity in Babylon, of whom some are said to have been sent thither for their hurt, and with them God here threatens to proceed in his controversy; they hated to be reformed, and therefore should be ruined by the calamity (Jer. 24:9); others were sent thither... read more