Did God promise to preserve the Israelites forever?

In The Bible, God made a covenant with the Israelites, promising to be their God and to preserve them as a people. This promise is often interpreted as a commitment to their existence and relationship with Him, as seen in texts like Deuteronomy and Jeremiah. While interpretations vary, many believe that this commitment signifies a lasting preservation of the Jewish people throughout history. However, the nature and implications of this promise can differ among various theological perspectives.