"Thus it sometimes happens that temptation in itself is sin to us, because we have ourselves brought it upon us. For instance, if I know that gaming leads me to passion and blasphemy, and that all play is temptation to me, I sin each and every time that I play, and I am responsible for [...]
"In this everyday nourishment, the Eucharist introduces not only the promise but the 'pledge' of future glory: 'futurae gloriae nobis pignus datur' (St Thomas Aquinas, Officium de festo corporis Christi)." Source: John Paul II, General Audience - September 27, 2000
"The Church knows that the Lord comes even now in his Eucharist and that he is there in our midst. However, his presence is veiled. Therefore we celebrate the Eucharist 'awaiting the blessed hope and the coming of our Savior, Jesus Christ,' asking 'to share in your glory when every tear will be wiped away. [...]
"To have eternal life it is essential to love without regard for one’s own interest. Fleeing sin for fear of punishment is not enough to give eternal life, nor is it enough to embrace virtue for one’s own profit. No, one must rise from sin because sin displeases [God], and love virtue for love of [...]
"Practical activity will always be insufficient unless it visibly expresses a love for man, a love nourished by an encounter with Christ." Source: Pope Benedict XVI, God is Love: Deus Caritas Est, Ignatius Press, 2006.
"O infinite love of my God, worthy of infinite love! And how couldst Thou, my Jesus, ever abase Thyself so far as, in order to dwell amongst men, and to unite Thyself to their hearts, to humble Thyself to such a point as to conceal Thyself under the species of bread?" Source: St. Alphonsus [...]
"The flatterer is a servant of the devils, a teacher of pride, the destroyer of contrition, a vandal of excellence, a perverse guide. The prophet says this: 'Those who honor you deceive you' (Isa. 3:12)." Source: St. John Climacus, The Ladder of Divine Ascent
"The divine Redeemer is most closely united not only with His Church, which is His Beloved Spouse, but also with each and every one of the faithful, and He ardently desires to speak with them heart to heart, especially after Holy Communion." Source: Pope Pius XII, MYSTICI CORPORIS CHRISTI, 6/29/1943. ENCYCLICAL OF POPE PIUS [...]
"Anyone who has not shared the truth of love with his brothers and sisters has not yet given enough. The Eucharist, as the sacrament of our salvation, inevitably reminds us of the unicity of Christ and the salvation that he won for us by his blood. The mystery of the Eucharist, believed in and celebrated, [...]
"It is impossible without humility to enjoy anything – even pride." Source: G.K. Chesterton, Orthodoxy, Moody Publishers, 2009.