that which we have seen and heard we declare to you, that you also may have fellowship with us. Yes, and our fellowship is with the Father, and with his Son, Jesus Christ.
The second reason why he wrote this epistle is in chapter 2, verse 1 John 1:1 . "These things write we unto you, that ye sin not." And so, the purpose of this epistle is to bring to you a life of victory over sin, to give you power over sin.