What Did the Earliest Christians Believe?
(From the First 100–250 Years After the Cross) One of the clearest ways to understand authentic Christianity is to examine the believers who lived closest to the time of the apostles. These early Christians were only one or two generations removed from eyewitnesses of Jesus, and several of them were personally taught by the apostles themselves. Their writings provide a valuable historical window into what the earliest church believed and taught.[1] When we examine Christian writings from roughly AD 100–250, we see a remarkably consistent message. The earliest believers strongly emphasized sin, repentance, moral transformation, holiness, and salvation through Jesus Christ alone.[2] 1. Their View of Sin: A Serious Moral Reality The early church viewed sin as a grave spiritual problem — not merely human weakness, but a moral rebellion against God that required repentance and change.[3] Polycarp (AD 69–155) Polycarp was a direct disciple of the apostle John and one of the earliest Ch...