In Psalm 102:18, “this will be written” most likely refers to the whole testimony just expressed in the psalm’s preceding verses: God’s promise to look down from heaven, hear the groaning of the prisoners, set the oppressed free, rebuild Zion, and gather the nations to worship him. The point is that this divine act of mercy and restoration should be recorded for future generations so they will praise the Lord.[biblestudytools]
The immediate context of Psalm 102:13–17 speaks of the LORD arising to have compassion on Zion, rebuilding Jerusalem, and appearing in glory. Commentators commonly take “this” in verse 18 to mean that entire saving work, especially God’s answer to the afflicted and his future restoration of his people.[studylight]
The verse says the record is intended “for the generation to come,” so that a people “yet to be created” may praise the LORD. In other words, the psalmist expects God’s deliverance to become a lasting public testimony, preserved to strengthen later believers and move them to worship.[biblestudytools]
A good paraphrase would be: “Record God’s rescue and restoration so future generations will know it and praise him.” That fits both the wording of the verse and the flow of the psalm.[biblegateway]
In Psalm 102, Zion refers to Jerusalem, especially as God’s chosen dwelling-place and the center of his covenant people’s hope. In this psalm, it is the city in a state of ruin or humiliation that God promises to restore, so the focus is not just geography but covenant renewal and future worship.[biblegateway]
Psalm 102 moves from personal suffering to the hope that the LORD will “arise and have compassion on Zion” and “rebuild Zion”. That means Zion functions as the visible symbol of the people’s broken condition and their expected restoration by God.[studylight]
Zion also stands for the place where God’s name will be publicly declared and where the nations will gather to worship him. So in Psalm 102, Zion is both the historical Jerusalem and a theological sign of God’s faithfulness to restore his people and extend his praise outward.[ccel]
A simple definition would be: Zion in Psalm 102 means Jerusalem as God’s covenant city, presently afflicted but promised restoration. The psalm uses Zion to anchor hope in God’s future mercy rather than in present circumstances.[studylight]
Psalm 102 contrasts personal suffering with corporate hope by moving from an individual’s exhausted lament to God’s promised restoration of Zion and future generations. The psalm begins with intensely private distress—weakness, loneliness, and a fading life—but then expands that grief into a larger vision of God’s people being rebuilt and renewed.[biblehub]