In the latter part of his life, his work as a writer was coupled with his activities as bishop of Caesarea.
उसके लेखनों में पहली तीन सदियों की घटनाओं से लेकर सम्राट कॉनस्टनटाइन के समय तक की घटनाएँ दर्ज़ हैं ।