"In this act of Sacrifice through the hands of the priest, by whose word alone the Immaculate Lamb is present on the altar, the faithful themselves, united with him in prayer and desire, offer to the Eternal Father a most acceptable victim of praise and propitiation for the needs of the whole Church. And as [...]
"Because it is the memorial of Christ's Passover, the Eucharist is also a sacrifice. the sacrificial character of the Eucharist is manifested in the very words of institution: 'This is my body which is given for you' and 'This cup which is poured out for you is the New Covenant in my blood.' In the [...]
"In the sense of Sacred Scripture the memorial is not merely the recollection of past events but the proclamation of the mighty works wrought by God for men. In the liturgical celebration of these events, they become in a certain way present and real. This is how Israel understands its liberation from Egypt: every time [...]
"This has always been the belief of the Church of God, that immediately after the consecration the true body and the true blood of our Lord, together with His soul and divinity exist under the form of bread and wine, the body under the form of bread and the blood under the form of wine." [...]
"O Eternal Word made man, and present for my sake in this Sacrament, what joy should be mine now that I stand in Thy presence, who art my God, who art Infinite Majesty and Infinite Goodness, and hast so tender an affection for my soul! Ye souls who love God, wherever you may be, either [...]
"To accomplish so great a work, Christ is always present in His Church, especially in her liturgical celebrations. He is present in the sacrifice of the Mass, not only in the person of His minister, 'the same now offering, through the ministry of priests, who formerly offered himself on the cross', but especially under the [...]
"As this sacrament is a sacrament of faith, we must believe firmly that Jesus Christ is really present in the Holy Eucharist, that He is there living and glorious as He is in heaven." Source: St. John Vianney, The Meditations of the Curé D’Ars
"After what we have said above, it must be held most certainly that the whole Christ is under each sacramental species yet not alike in each. For the body of Christ is indeed present under the species of bread by the power of the sacrament, while the blood is there from real concomitance, as stated [...]
"We carry out this command of the Lord by celebrating the memorial of his sacrifice. In so doing, we offer to the Father what he has himself given us: the gifts of his creation, bread and wine which, by the power of the Holy Spirit and by the words of Christ, have become the body [...]
"Because the change of the bread and wine is not terminated at the Godhead or the soul of Christ, it follows as a consequence that the Godhead or the soul of Christ is in this sacrament not by the power of the sacrament, but from real concomitance. For since the Godhead never set aside the [...]