 He was fond of tracing the etymologies of key Christian terms; he was erudite in the Bible and early Patristic literature; and he had a pervasive interest in the nature of God and man, especially in the Person of Christ (Christology).He was not reluctant to develop and express his own theories about key ecclesiastical issues, which led to later commentaries, emendations, and perhaps even censorship of parts of his works.The principal works transmitted under Anastasius' name include the "Viae Dux", "Quaestiones et Responsiones", "Hexaemeron", "Homilia i, ii, iii de creatione hominis", and the "Narrationes".