 The "Viae Dux" - also called the "Hodegos" (Greek transliteration) and "Guide Along the Right Path" (English translation) - was written in defense of the Chalcedonian Creed.A collection of works by Anastasius, the "Viae Dux" served to support the true faith and to counter the attacks of heretics, in particular Monophysites.His "Quaestiones et Responsiones" ("Questions and Responses") was a popular genre and falls under the category of pastoral theology.