The kingdom of God is not the food of those who have become worthy of the celestial bread and of the bread of angels, and of the food of which the Savior says: My food is to do the will of him that sent me, that I may do his work. That we shall eat and drink in the kingdom of God is clear from many Scripture sayings, and from this in particular: Blessed is the one who will eat bread in the kingdom of God. Hence this Pasch will be fulfilled in the kingdom of God, Jesus will eat and drink of it with His disciples. ....Jacob too makes known how God gives bread, when he says: If God shall be with us, and shall give me bread to eat and raiment to put on, of all the things which thou, O Lord wilt give me, I will offer tithes to thee. Similarly we find in the Gospel of St. John Moses gave you not bread from heaven, but my Father giveth you the true bread from heaven. Now indeed the Pasch is not fulfilled yet, but it will be when we shall be prepared to receive the full Pasch which He came to fulfill, who came not to destroy the law but to fulfill it; to fulfill it now as in a glass darkly (i.e. obscurely) , but to fulfill it then face to face (i.e. openly and plainly) , when that which is perfect shall have come. If therefore we also desire to receive from Jesus who is wont to give it, the bread of benediction, let us go into the city to the house of a certain man, where Jesus makes the Pasch with His disciples, prepared by those whom He knows, let us ascend to the upper part of the house, large, furnished, and well swept, where taking the chalice from the Father and giving thanks, He gives to those who have gone up with Him, saying: Drink, for this is my blood of the new testament, which is drunk and is poured out, drunk by the disciples, poured out unto the remission of the sins of those for whom it is poured out and by whom it is drunk. Would you know how it is poured out, with these words, compare also those others: The charity of God is poured out in our hearts. Now if the blood of the testament is poured out into our hearts unto the remission of sins, when that Blood which we drink is poured into our hearts, all the sins of which we have heretofore been guilty, are remitted and wiped out. Moreover He who having taken the chalice says: Drink ye all of this, does not abandon us who drink of it, rather HE DRINKS IT WITH US, SINCE HE IS IN EACH ONE OF US; FOR ALONE AND WITHOUT HIM, WE CAN NEITHER EAT OF THAT BREAD NOR DRINK OF THE FRUIT OF THAT TRUE VINE. And wonder not that He is the bread, and that at the same time He eats the bread with us, that He is the drink of the fruit of the vine, and that at the same time He drinks with us. For the word of God is omnipotent, it is known by various names, and is without number according to the multiplicity of His power". 

RESPONSORY

Stand here as many as love God,  and observe and see all that our Lord has done for our souls. Come here, all  you who have been redeemed by the sin-less blood of the innocent Lamb, Christ Jesus, that you may see and understand all that He has suffered for our iniquities. Behold ! now the Book of Life is opened, 
and its seven seals are broken; the book in which truth shines forth, and all the mysteries of wisdom and knowledge are hidden, which is full of doctrine, and overflows with mysteries. Now is the mirror of all virtues clearly shown to the eyes of all. Now is the old veil rent, and all the wrappings and coverings of figures are 
taken away. Now is the Holy of Holies thrown wide open by Jesus the High Priest; for He has offered His own Blood in sacrifice, and revealed all hidden holiness, and all secret sacraments and mysteries.... This is that High-Priest, Who by  His own Blood hath entered into the Holy of Holies, to offer Himself a peace-offering for the sins of the whole world. This is that guiltless Lamb, Who has washed us in His own precious Blood, Who never knew sin, but Who has taken away all the sins of the world. 
From the treasury, then, of this Passion, I borrow the price of my debt, and all its merits I count out before You in payment of what I owe. For all that He has done, He has done in my nature, and for my sake. 

O gracious Father, if You weigh all my sins on one side of the balance, and place in the other the Passion of Your Son, the latter will outweigh the former. For what sin can be so great that the guiltless Blood of Your Son has not washed away ? What pride, or disobedience, or lust, is so unbridled and lifted up,  that such lowliness, obedience and poverty 
cannot do away with? O, merciful Father,  accept the actions of Your beloved Son, and pardon the wanderings of Your wicked servant; for the innocent Blood of our Brother Abel cries to You from the Cross, not for vengeance, but for grace and mercy, saying: "Father, forgive them, for they know not what they do."