Psalm 89:28 KJV
My mercy will I keep for him for evermore, and my covenant shall stand fast with him.
Psalm 89:26–30 KJV Chapter Context
26
He shall cry unto me, Thou art my father, my God, and the rock of my salvation.
27
Also I will make him my firstborn, higher than the kings of the earth.
28
My mercy will I keep for him for evermore, and my covenant shall stand fast with him.
29
His seed also will I make to endure for ever, and his throne as the days of heaven.
30
If his children forsake my law, and walk not in my judgments;