5 Now this is the message we have heard from Him and declare to you: God is light, and there is absolutely no darkness in Him. 6 If we say, “We have fellowship with Him,” yet we walk in darkness, we are lying and are not practicing the truth. 7 But if we walk in the light as He Himself is in the light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin. 8 If we say, “We have no sin,” we are deceiving ourselves, and the truth is not in us. 9 If we confess our sins, He is faithful and righteous to forgive us our sins and to cleanse us from all unrighteousness. 10 If we say, “We don’t have any sin,” we make Him a liar, and His word is not in us.
31 “Look, the days are coming”—this is the Lord’s declaration—“when I will make a new covenant with the house of Israel and with the house of Judah. 32 This one will not be like the covenant I made with their ancestors when I took them by the hand to bring them out of the land of Egypt—a covenant they broke even though I had married them”—the Lord’s declaration. 33 “Instead, this is the covenant I will make with the house of Israel after those days”—the Lord’s declaration. “I will put My teaching within them and write it on their hearts. I will be their God, and they will be My people.