[10:21] 1 tn The referent of אֵל גִּבּוֹר (’el gibbor, “mighty God”) is uncertain. The title appears only here and in 9:6, where it is one of the royal titles of the coming ideal Davidic king. (Similar titles appear in Deut 10:17 and Neh 9:32 [“the great, mighty, and awesome God”] and in Jer 32:18 [“the great and mighty God”]. Both titles refer to God.) Though Hos 3:5 pictures Israel someday seeking “David their king,” and provides some support for a messianic interpretation of Isa 10:21, the Davidic king is not mentioned in the immediate context of Isa 10:21 (see Isa 11, however). The preceding verse mentions Israel relying on the Lord, so it is likely that the title refers to God here.
[10:22] 3 sn The twofold appearance of the statement “a remnant will come back” (שְׁאָר יָשׁוּב, she’ar yashuv) in vv. 21-22 echoes and probably plays off the name of Isaiah’s son Shear-jashub (see 7:3). In its original context the name was meant to encourage Ahaz (see the note at 7:3), but here it has taken on new dimensions. In light of Ahaz’s failure and the judgment it brings down on the land, the name Shear-jashub now foreshadows the destiny of the nation. According to vv. 21-22, there is good news and bad news. The good news is that a remnant of God’s people will return; the bad news is that only a remnant will be preserved and come back. Like the name Immanuel, this name foreshadows both judgment (see the notes at 7:25 and 8:8) and ultimate restoration (see the note at 8:10).
[10:22] 4 tn Or “predetermined”; cf. ASV, NASB “is determined”; TEV “is in store.”
[10:22] 5 tn צְדָקָה (tsÿdaqah) often means “righteousness,” but here it refers to God’s just judgment.
