David's topic is the New Covenant and the reading is Jerimiah 31:31-34.
31 “The days are coming,” declares the LORD, “when I will make a new covenant with the people of Israel and with the people of Judah. 32 It will not be like the covenant I made with their ancestors when I took them by the hand to lead them out of Egypt, because they broke my covenant, though I was a husband to them, ” declares the LORD. 33 “This is the covenant I will make with the people of Israel after that time,” declares the LORD. “I will put my law in their minds and write it on their hearts. I will be their God, and they will be my people. 34 No longer will they teach their neighbor, or say to one another, ‘Know the LORD,’ because they will all know me, from the least of them to the greatest,” declares the LORD. “For I will forgive their wickedness and will remember their sins no more.”