In the latter part of his life, his work as a writer was coupled with his activities as bishop of Caesarea.
त्याच्या लिखाणांत पहिल्या तीन शतकांपासून सम्राट कॉन्स्टंटीनच्या काळापर्यंतच्या घटनांचा समावेश आहे.