"The Church insists that we be in the state of grace in order to receive Our Lord in the Eucharist. As a corpse cannot receive nourishment, so neither may one without the divine life in his soul receive the divine nourishment." Source: Ven. Fulton Sheen, These are the Sacraments
"Faith tells us that God has given his Son for our sakes and gives us the victorious certainly that it is really true: God is love! It thus transforms our impatience and our doubts into the sure hope that God holds the world in his hands and that, as the dramatic imagery of the end [...]
"That he (Brother Lawrence) had always been governed by love, without selfish views; and that having resolved to make the love of God the end of all this actions, he had found reasons to be well satisfied with his method. That he was pleased when he could take up a straw from the ground for [...]
"History bears witness that the virtues of the Christian life have flourished best wherever and whenever the frequent reception of the Eucharist has most prevailed." Source: Pope Leo XIII, MIRAE CARITATIS: ENCYCLICAL OF POPE LEO XIII ON THE HOLY EUCHARIST, May 28, 1902
"This most holy mystery thus needs to be firmly believed, devoutly celebrated and intensely lived in the Church. Jesus' gift of himself in the sacrament which is the memorial of his passion tells us that the success of our lives is found in our participation in the trinitarian life offered to us truly and definitively [...]
"No sinner is ever consoled by having a moral theology flung at his head. Perhaps the reason why Peter and not John was chosen as the Head of the Church was because he fell and, therefore, understood human weakness. Suffering may be sent to us because we have been too narrow and selfish in our [...]
"Always and is all circumstances, yield the first place to others; especially during recreation listen quietly, without interrupting, even if someone tells me the same thing ten times. I will never ask questions about something that interests me very much." Source: St. Faustina, Diary: Divine Mercy in My Soul
"Anyone who desires to receive Christ in Eucharistic communion must be in the state of grace. Anyone aware of having sinned mortally must not receive communion without having received absolution in the sacrament of penance." Source: Catechism of the Catholic Church #1415
"In the Old Testament, the 'memorial' par excellence of God's works in history was the Passover liturgy of the Exodus: every time the people of Israel celebrated the Passover, God effectively offered them the gifts of freedom and salvation… The interweaving of God's remembrance with that of man is also at the centre of the [...]
"A help to the proud is submissiveness, a tougher and humbler mode of life, and the reading of the supernatural feats of the Fathers." Source: St. John Climacus, The Ladder of Divine Ascent