Jeremiah 31:31-33

31 “Behold, the days are coming, declares the Lord, when I will make a new covenant with the house of Israel and the house of Judah,

32 not like the covenant that I made with their fathers on the day when I took them by the hand to bring them out of the land of Egypt, my covenant that they broke, though I was their husband, declares the Lord.

33 For this is the covenant that I will make with the house of Israel after those days, declares the Lord: I will put my law within them, and I will write it on their hearts. And I will be their God, and they shall be my people.

God rescued the God's people out of captivity in Egypt through His work through Moses. However, the people were unfaithful through their worship of a golden calf. This broke the covenant...