God is immutable meaning that He never Changes. His immutability is eternal and infinite. Because God never changes His decrees also never change, including His covenant with Israel and the Jewish people that He still keeps today and will bring to pass. Because God never changes, in our relationship with Him, we are the ones that must change.
Dieu est immuable, il ne change jamais. Son immuabilite est eternelle et infinie. Ses decrets sont immuables et ne changent pas, y compris son decret concernant Israel et le peuple juif. Parceque Dieu ne change pas, dans notre relation d'avec Dieu, c'est nous qui devons changer pas Dieu.
Christian teaching on the Sovereignty as one of God's majestic character treats. It describes God's sovereignty over creation, nature, his decrees, proclamations and promises and his sovereignty over mankind and over the course of history for Christians, jews and Israel as a nation