Christianity has never been doctrinally perfect. Even the apostolic churches were not perfect. In fact, much of the New Testament was written to correct various wrong ideas. In Corinth, for example, Christians were tolerating incest, suing one another in court, eating in pagan temples and misbehaving at the Lord's Supper. Some thought...
What is the goal of the Christian life, and how do we help one another get there? One old catechism says that our chief purpose in life is to glorify...