"If we say we have not sinned, we are mistaken and the truth is not in us". This is why the apostle does not say that there is a process by which we receive divine forgiveness. Preferably, he says that we come into our relationship with Christ as sinners and have the ability to understand that we are sinners because we commit sins. If the apostle was saying that we get forgiveness by confessing our sins as the right to enjoy fellowship with God, so we have to be accepted at some point because sin is the hindrance. But we frankly confess that we are sinners after knowingly committing the sin so that the truth dwells in us. The chosen apostle rightly says that we gain a new understanding that we represent notorious sinners as the reasonable basis of our beneficial relationship with Christ. I don't think he's saying that we don't have to practice sin to voluntarily accept fellowship with Christ. He says we cannot fail because we are given a simplistic solution. We cannot indirectly experience the fatal rejection of Christ because we always fall back on divine grace. Agreement that we are what we are gifted to believe in and that we are acquitted. Instead of the apostle simply saying there is a difficulty with our forgiveness, our private confession rather accurately represents divine freedom because it is not a work.