Spiritual maturity is a process that begins when a person accepts Jesus Christ as Savior. He or she is born again of the Holy Spirit and then chooses to live "in Christ." The Apostle Paul said that spiritual growth is an ongoing process. "Not that I have already obtained all this, or have already been made perfect, but I press on to take hold of that for which Christ Jesus took hold of me. Brothers, I do not consider myself yet to have taken hold of it. But one thing I do: Forgetting what is behind and straining toward what is ahead, I press on toward the goal to win the prize for which God has called me heavenward in Christ Jesus" (Philippians 3:12-14). Even the Apostle Paul had not arrived, yet he continually pressed toward the prize.