Psalms 136:3 KJV
O give thanks to the Lord of lords: for his mercy endureth for ever.
Psalms 136:3, King James Version
In context
2 O give thanks unto the God of gods: for his mercy endureth for ever.
3 O give thanks to the Lord of lords: for his mercy endureth for ever.
4 To him who alone doeth great wonders: for his mercy endureth for ever.