He says again in verse 9, "He sent redemption unto his people: he hath commanded his covenant for ever:" It's not clear to which covenant he refers, but it is likely the covenant God made with Abraham that is in view here (see Abrahamic Covenant).
Nupay kasta, makapakigtot ti sungbat ni Jesus: “No annaknakayo ni Abraham, aramidenyo met koma dagiti inaramidna.”