Eusebius of Caesarea's Oration on the 30th Anniversary of Constantine's reign.
Origen "On Interpreting the Scriptures"
Origen's theory of how the Scriptures should be read
The figure of Simon, known from Acts of the Apostles, is made into the first of the heresies by Irenaeus, bishop of Lyons, writing at the end of the second century CE.
Life of Anthony
One of the earliest saints' lives, which was to have tremendous influence.
One of the first Christian theologians, writing in the mid second century CE.
Gospel of Thomas selections
Selections from the Gospel of Thomas
Origen "On FIrst Principles"
Origen, the first greata systematic theologian, sets forth his method, and discusses some topics which would later have him condemned as a heretic