To Israel God “taught this people to acknowledge Himself the one living and true God (DV 3). Amongst others who worshipped many gods, the nation of Israel recognized that God is one. Through Abraham we have the start of a particular historical revelation that is passed on and deepened through the actions and words of God to the prophets and people of Israel. These promises/covenants of God are not lost, because God is always faithful. This revelation prepares us for the fullness of revelation, Jesus.