St. Paul's conversion was essential for the church because it exemplifies how God can welcome and forgive someone who had been persecuting His people.
The most significant figure in the history of Christianity after Jesus is frequently seen as St. Paul. His letters, or epistles, had a significant impact on Christian theology, particularly on the bond between God the Father and Jesus and on the mystical bond between humans and the divine.
The New Testament describes the conversion of Saul/Paul the Apostle as an event in his life that caused him to stop persecuting early Christians and turn to follow Jesus. It is also known as the Pauline conversion, Damascene conversion, Damascus Christophany, and the "road to Damascus" incident.
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