The story is that before he converted to Christianity, Paul (then called Saul) was a huge persecutor of Christians and even participated in martyring them. Then, as he was traveling to Damascus, a great light appeared and blinded him, and he heard a voice asking, "Saul, why are you persecuting me?" Paul fell to the ground and asked what he should do. The voice told him to go into the city, which he did. He remained blind for several days until he met a Christian man who healed him. Paul remained there a while, converted to Christianity and changed his name from Saul to Paul, then went on to become one of the most influential people in Christianity.
So, here's the outfit: