City of God: Part 2 (Books III-IV)

Part 2 of our guide to St. Augustine's City of God.
Listen to Part 1 here.
Sources
City of God by St. Augustine (Free version here)
Music
“Night Owl” by Broke For Free (cc by-nc 3.0)
"Modulation of the Spirit" by Little Glass Men (CC-BY 3.0)