The devotion to the Sacred Heart is one of the most widely practiced and well- known Roman The Sacred Heart is often depicted in Christian art as a flaming heart shining with Devotion to the Sacred Heart of Jesus · Sacred Heart Chaplet from the Order of Carmelites · Heart of Jesus, Symbol of Love, Sisters of Carmel. Margaret Mary Alacoque · Feast of the Sacred Heart · Scapular of the Sacred Heart. The flaming heart of Jesus milagro is an ambiguous symbol. Purely religious on the surface, it openly indicates faith in the Catholic church. But in fact it is one of. The idea is that the physical heart of Jesus is a symbol of his divin. In some Christian paintings it is depicted as a flaming heart shining with divine light.