9 Once more we hear a song of praise (cf. 24:14–16; 25:1–5), wonderfully expressing that joy in God that comes when patient trust finds its reward in consummated salvation. Its ideas and language are thoroughly characteristic of Isaiah, and various parts of the verse are paralleled in many different parts of the book (e.g., 8:17; 12:1–6; 30:18; 33:22; 35:1–4, 10; 40:9; 49:25–26; 52:7–10; 60:16; 65:18).
25:9 Lord for whom we have waited. To wait for God entails an ultimate trust in Him, not becoming impatient when His timetable for final salvation differs from ours (cf. 26:8; 33:2; 40:31).
25:9 Behold. See 24:1. At last, the realization of the forward-looking faith that patiently waited for a renewed society and a renewed earth (cf. the expectation in 40:9–11). this is our God. An expression of wholehearted identification with him (cf. Ex. 29:45–46). we have waited. Salvation is worth the wait, and is even worth the reproach of Isa. 25:8. Salvation is his entirely, God’s alone, from first to last (cf. Ex. 14:13; 15:2; Ps. 68:19–20; 98:2–3).
25:9 We have waited for him Compare 26:8.
his salvation Refers to the victory over death and the establishment of Yahweh’s earthly reign.
25:9 our God. The prophet identifies himself with the people of God (26:13; 40:3; 61:6).
 Grogan, G. W. (2008). Isaiah. In T. Longman III, Garland David E. (Eds.), The Expositor’s Bible Commentary: Proverbs–Isaiah (Revised Edition) (Vol. 6, p. 628). Grand Rapids, MI: Zondervan.
 MacArthur, J. F., Jr. (2006). The MacArthur study Bible: New American Standard Bible. (Is 25:9). Nashville, TN: Thomas Nelson Publishers.
 Crossway Bibles. (2008). The ESV Study Bible (p. 1284). Wheaton, IL: Crossway Bibles.
 Barry, J. D., Mangum, D., Brown, D. R., Heiser, M. S., Custis, M., Ritzema, E., … Bomar, D. (2012, 2016). Faithlife Study Bible (Is 25:9). Bellingham, WA: Lexham Press.
 Sproul, R. C. (Ed.). (2005). The Reformation Study Bible: English Standard Version (p. 984). Orlando, FL; Lake Mary, FL: Ligonier Ministries.