St. Irenaeus of Lyons: On the Apostolic Preaching | Early Christian Theology Book for Biblical Studies | Second Century Church Father Writings | ... Faith and Scripture (Popular Patristics);

St Irenaeus, the most important theologian of the second century, lays the foundation for all future Christian thinkers. Here he recounts all the various deeds of God, culminating in the exaltation of His crucified Son, Jesus Christ, and the bestowal of His Holy Spirit and the gift of a new heart of flesh.