Psalms 136:3 Midrash

ה֭וֹדוּ לַאֲדֹנֵ֣י הָאֲדֹנִ֑ים כִּ֖י לְעֹלָ֣ם חַסְדּֽוֹ׃

O give thanks unto the Lord of lords, For His mercy endureth for ever.

Read midrashic interpretation of Psalms 136:3: and classical rabbinic exegesis.