English: The ecclesiastical heraldry of Churchmen reflects their history, personality and even their mission as shepherds. Bishop Labayen, OCD's Coat of Arms was designed by Prof. Galo B. Ocampo. In the dexter side is the arms of the Prelature of Infanta of which in the chief portrays the symbols of the Infant Jesus of Prague and of Saint Mark the Evangelist, titular patrons of the Prelature. On the base is an azure background and the fleur-de-lis representing the Blessed Virgin Mary and the three flowers symbolizing the Trinity. In the sinister side, on the chief is the arms of the Order of Discalced Carmelites of which the bishop belongs. On the base is a sable and argent checkered adapted from the Labayen family arms. His episcopal motto is "Dominus est" from the Gospel of John chapter 21 verse 7, where the beloved disciple shouted "It is the Lord" and reflects a recognition of God in all circumstances of life.