According to the Acts of the Apostles, Saul was struck blind by a heavenly light while traveling to Damascus to arrest Christians, and heard the voice of Jesus asking why he persecuted him. The Christian church commemorates this event annually on January 25 as the Feast of the Conversion of Saint Paul, marking the transformation of Christianity's most zealous opponent into its most prolific missionary and letter-writer.
The story, as told in Acts 9, is one of the most consequential reversals in religious history. Saul, a Pharisee from Tarsus, had been actively hunting down followers of the new Jesus movement, dragging them before councils and, by his own later admission, consenting to their deaths. On the road to Damascus he was knocked to the ground by a light from the sky and left blind for three days, during which he neither ate nor drank.
A local disciple named Ananias, instructed in a vision to seek out the man he had every reason to fear, laid hands on Saul and restored his sight. Saul was baptized on the spot and, within days, was preaching in the very synagogues where he had once sought his victims. He took the name Paul and would go on to write roughly a third of the New Testament, planting churches across the Mediterranean world.
Historians still debate whether the event was a seizure, sunstroke, or genuine mystical experience, but its narrative power is undeniable: an executioner become an evangelist, on a single day on a dusty road.