"The Eucharistic presence of Christ begins at the moment of the consecration and endures as long as the Eucharistic species subsist. Christ is present whole and entire in each of the species and whole and entire in each of their parts, in such a way that the breaking of the bread does not divide Christ." [...]
"St. Ambrose says about this conversion: Be convinced that this is not what nature has formed, but what the blessing has consecrated. The power of the blessing prevails over that of nature, because by the blessing nature itself is changed.... Could not Christ's word, which can make from nothing what did not exist, change existing [...]
"'My eyes and my heart shall be there always.' 1 Kings 9:3. Behold, Jesus has verified this beautiful promise in the Sacrament of the Altar, wherein He dwells with us night and day." Source: St. Alphonsus Liguori, Visits to the Most Holy Sacrament
"Since Christ our Redeemer declared that to be truly His own body which He offered under the form of bread, it has, therefore, always been a firm belief in the Church of God, and this holy council now declares it anew, that by the consecration of the bread and wine a change is brought about [...]
"The mode of Christ's presence under the Eucharistic species is unique. It raises the Eucharist above all the sacraments as 'the perfection of the spiritual life and the end to which all the sacraments tend.' In the most blessed sacrament of the Eucharist 'the body and blood, together with the soul and divinity, of our [...]
"Therefore you could not be given the body without being given the blood as well; nor either the body or the blood without the soul of this Word; not the soul or body without the divinity of [Jesus], God eternal. For the one cannot be separated from the other – just as the divine nature [...]
"He is in the Most Blessed Sacrament to exercise His priesthood. He is there as God and Man. Does not this Presence call for a special service, a court, a family, which has no other occupation than to serve the great King?" Source: St. Peter Julian Eymard, The Divine Eucharist St. Peter Julian Eymard [...]
"Nothing on this earth is more excellent than the Eucharist, for Jesus Christ is no longer passible as during His mortal life, but resuscitated, glorified, and regnant." Source: St. Peter Julian Eymard, The Divine Eucharist St. Peter Julian Eymard was a priest and the founder of the Congregation of the Blessed Sacrament. This religious [...]
"For thus we come to bear Christ in us, because His Body and Blood are distributed through our members; thus it is that, according to the blessed Peter, we become partakers of the divine nature 2 Peter 1:4 ." Source: St. Cyril of Jerusalem, Catechetical Lectures
"I thank thee, O holy Faith; for thou teachest and assurest me that in the Divine Sacrament of the Altar, in that heavenly bread, bread does not exist; but that my Lord Jesus Christ is all there, and that He is there for love of me. My Lord and my All, I believe that Thou [...]