Psalms 89:5 Midrash

עַד־ע֭וֹלָם אָכִ֣ין זַרְעֶ֑ךָ וּבָנִ֨יתִי לְדֹר־וָד֖וֹר כִּסְאֲךָ֣ סֶֽלָה׃

For ever will I establish thy seed, And build up thy throne to all generations.' Selah

Read midrashic interpretation of Psalms 89:5: and classical rabbinic exegesis.