Euzoius, as a young man, together with Gregory, bishop of Nazianzan, was educated by Thespesius the rhetorician at Cæsarea, and afterwards when bishop of the same city, with great pains attempted to restore the library, collected by Origen and Pamphilus, which had already suffered injury. At last, in the reign of the Emperor Theodosian, he was expelled from the church. Many and various treatises of his are in circulation, and one may easily become acquainted with them.
Source: De Viris Illustribus (Illustrious Men) (New Advent)