“ After studying at Alexandria under Pierius, the disciple of Origen, he was ordained presbyter at Caesarea in Palestine. There he established a theological school, and warmly encouraged students; he also founded, or at least largely extended, the great library to which Eusebius and Jerome were afterwards so much indebted. He was very zealous in the transcription and distribution of copies of Scripture and of the works of various Christian writers, especially of Origen ”