Holy Communion is the reception of the Body and Blood in the Eucharist. More generally, our fellowship and union with Jesus and other baptized Christians in the Church, which has its source and summit in the celebration of the Eucharist. In this sense, Church as communion is the deepest vocation of the Church.
Adoration of the Blessed Sacrament at Christ the King
Encyclical Letter written by Pope John Paul II about the Eucharist In Its Relationship To The Church.
Apostolic Letter from Pope John Paul II for the Year of The Eucharist (October 2004 - October 2005).
Great Bible Verse... You see then that a man is justified by works, and not by faith only.