Psalm 89:28
"My mercy will I keep for him for evermore, and my covenant shall stand fast with him."
Cross References (ranked by relevance)
Incline your ear, and come unto me: hear, and your soul shall live; and I will make an everlasting covenant with you, even the sure mercies of David.
Although my house be not so with God; yet he hath made with me an everlasting covenant, ordered in all things, and sure: for this is all my salvation, and all my desire, although he make it not to grow.
He sent redemption unto his people: he hath commanded his covenant for ever: holy and reverend is his name.
For the mountains shall depart, and the hills be removed; but my kindness shall not depart from thee, neither shall the covenant of my peace be removed, saith the LORD that hath mercy on thee.
He hath given meat unto them that fear him: he will ever be mindful of his covenant.