Isaiah 10:21

10:21 A remnant will come back, a remnant of Jacob, to the mighty God. ¹ 

Isaiah 40:8

40:8 The grass dries up,

the flowers wither,

but the decree of our God is forever reliable.” ² 

Isaiah 40:18

40:18 To whom can you compare God?

To what image can you liken him?

[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.

[40:8]  ² tn Heb “but the word of our God stands forever.” In this context the divine “word” specifically refers to his decreed promise assuring Jerusalem that her suffering is over and his glorious return imminent (vv. 1-5).