Jesus spoke this to Paul on the road to Damascus – one short verse that explains the Gospel of salvation in Jesus, in Acts 26:18.
Because God is extreme to the nth degree – God requires an extreme type of relationship from us. Once we get born again, we will continue growing deeply, naturally, into further maturity in Christ. The wonder of passing from being “God-damned” to being “marvelously saved by Jesus”. Oh how marvelous this journey!