מַֽלְכוּתְךָ֗ מַלְכ֥וּת כָּל־עֹֽלָמִ֑ים וּ֝מֶֽמְשֶׁלְתְּךָ֗ בְּכָל־דּ֥וֹר וָדֽוֹר׃
Thy kingdom is a kingdom for all ages, And Thy dominion endureth throughout all generations.
Read midrashic interpretation of Psalms 145:13: and classical rabbinic exegesis.