Chapter XXII. Communion Under One Kind. Our Savior gave communion under both forms of bread and wine to His Apostles at the last Supper. Officiating Bishops and Priests are always required, except on Good Friday, to communicate under both kinds. But even the clergy of every rank, including the Pope, receive only of the consecrated bread unless when they celebrate Mass. The Church teaches that Christ is contained whole and entire under each species; so that whoever communicates under the form of bread or of wine receives not a mutilated Sacrament or a divided Savior, but shares in the whole Sacrament as fully as if he participated in both forms. Hence, the layman who receives the consecrated Bread partakes as copiously of the body and blood of Christ as the officiating Priest who receives both consecrated elements. Our Lord says: "I am the living bread which came down from Heaven. If any man eat of this bread, he shall live forever; and the bread which I will give is My flesh, for the life of the world.... He that eateth Me the same also shall live by Me. He that eateth this bread shall live forever."377 From this passage it is evident that whoever partakes of the form of bread partakes of the living flesh of Jesus Christ, which [301] is inseparable from His blood, and which, being now in a glorious state, cannot be divided; for, "Christ rising from the dead, dieth 377 John vi. 51, and seq.