Complex sentence: In his youth, he often read the Bible and other religious works and practiced the Corporal and Spiritual Works of Mercy by visiting the sick and those in prison, as well as teaching others about the faith.
Split into simpler sentences: In his youth, he often read the Bible and other religious works. He also practiced the Corporal and Spiritual Works of Mercy by visiting the sick and those in prison, as well as teaching others about the faith.