Galatians 1:13-15

By now you have heard stories of how severely I harassed and persecuted Christians and how systematically I endeavored to destroy God’s church, all because of my radical devotion to the Jewish religion. My zeal and passion for the doctrines of Judaism distinguished me among my people, for I was far more advanced in my religious instruction than others my age. But then God called me by his grace, and chose me from my birth to be his.