Isaiah 35:9-10

Nothing will threaten or endanger the redeemed as they travel the holy highway to the holy city. This is the first of 24 occurrences of "redeemed" in Isaiah. The redeemed will come rejoicing into Zion, the New Jerusalem, where there will be no more sorrow or sighing, just unbreakable happiness, gladness, and joyful shouting (cf. Isaiah 51:11; Psalms 23:6; Ezekiel 36:24-28; Ezekiel 40-44; Zechariah 14:16-19; Revelation 21:1-4).

While what Isaiah described here parallels to a limited extent the Jews’ return from Babylonian captivity, the context of the chapter, as well as its terminology, point to a fulfillment in the future that that return only prefigured. Another foreview was the converging of pilgrims on Jerusalem from all over the world to celebrate the annual feasts of Judaism. Amillennialists normally interpret this chapter as depicting the blessings that would come to the church through the first advent of Christ (cf. John 16:33).

Isaiah 35:10 not only climaxes chapter 35, but also the whole section of Isaiah dealing with God’s sovereignty over the nations (chs. 13-35).

"Chs. 7-12 posed a question: ’Is God Sovereign of the nations?’ Can God deliver from an Assyria? Or is he just one more of the gods, waiting to be gobbled up by a bigger god? In short, can God be trusted? Chs. 13-35 have sought to answer that question in four main sections: chs. 13-23; 24-27; 28-33; 34-35. In the first, God’s lordship over each of the nations is asserted. In the second, it is shown that God is not merely the reactor to the nations, but is in fact the sovereign Actor on the world’s stage. In the third, the superiority of God’s counsel over that of the merely human leaders is shown. Finally, the last two chapters show the ultimate results of the two courses of action, with ch. 35 ending at exactly the same point as chs. 11-12, with the promise that God can, and will, redeem. He may be trusted. However, the issue remains: is this merely abstraction or can it become concrete reality? Ahaz had proved that the nations cannot be trusted. But what of God? Can his trustworthiness be demonstrated or only asserted? Must his promises for the distant future be clung to blindly or can an earnest of their reality be experienced now? This is what chs. 36-39 are about." [Note: Oswalt, p. 627.]

Similarly, Romans 9-11 vindicates God’s righteousness.