Names and titles of Jesus in the New Testament which rises in victory as the Resurrected Christ was employed in early Christology, e.g. in 375 Saint Augustine wrote: "Why a lamb in his passion? For he underwent death without being guilty of any inequity. Why a lion in his resurrection? For in being slain, he slew death." The Lamb of God title has found widespread use in Christian prayers and the "Agnus Dei" ("Lamb of God who take away the sins of the world have mercy on us; Lamb of God who take away the sins of the world grant us peace") is used both in liturgy and as
Sant Climent, Taüll the Carolingian Renaissance. The Alpha, Omega and the halo around Christ's head can be seen in both the Romanesque and Byzantium age and in the Catacomb of Comodilla. Sant Climent de Taüll has many mural paintings; however, the main and most famous mural painting is located at the central apse and is of Christ in Majesty within a mandorla. This has now been moved to Barcelona and replaced by a replica. In the lower part of the second triumphal arch appears a figure of the Agnus Dei contained in a circle with a blue background. The Agnus Dei is a