Genuine Christianity is not just a new set of beliefs or even a new pattern of behavior; it's a matter of new belonging. After declaring the glorious truth that there is "now no condemnation for those who are in Christ Jesus," the apostle Paul called his Roman readers to live "not in the flesh but in the Spirit." In this message, Alistair Begg examines the reality and results of the Spirit's presence in the life of the believer as well as the responsibility that falls to those who are in Christ.