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The Sacred Heart, also called The Sacred Heart of Jesus, in the Catholic Church, is the mysticalphysical heart of Jesus as an object of devotion.
In addition to a major feast, now celebrated on the Friday of the third week after Pentecost the devotion includes acts of consecration and honour given to the image of the Sacred Heart. Such images are often depicted with a wounded heart, encircled by a crown of thorns and radiating light.
The use of Jesus’ heart to symbolise his great love for humanity is not found in the Bible but in the writings of some medieval mystics.
The devotion was fostered by both Carthusian and Jesuit priests and was promoted by St Francis de Sales.
The devotion became especially popular after the disclosure of private revelations to a French nun, St Margaret Mary Alacoque, in the late 17th century. Assisted by Claude de la Colombière, her confessor, she called for the establishment of a feast in honour of the Sacred Heart and for prayers of reparation for sins, especially for those directed against the Holy Eucharist itself.
In 1856 Pope Pius IX established the feast in the general calendar of the Roman Catholic Church.