“Even though the Eucharist is solemnly celebrated every day of the year, on one day we pay special honor to the Body of Christ. We may, of course, invoke the Lord with our minds and our spirits at any time, but we do not in this way obtain the Real Presence of Christ. With the Eucharistic commemoration, however, Jesus Christ is actually present with us in his own substance. As the risen Christ told us prior to his Ascension: ’And behold, I am with you always, until the end of the age.’ (Mt.28, 20) …He would remain and be with them even by His bodily presence.” Pope Urban IV: TRANSITURUS DE HOC MUNDO