Faustina's diary
is heralded by the Church as being “numbered among the outstanding works of mystical literature”. (Office of Readings).

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“Apostle of My mercy, proclaim to the whole world My unfathomable mercy. Do not be discouraged by the difficulties you encounter in proclaiming My mercy. These difficulties that affect you so painfully are needed for your sanctification and as evidence that this work is Mine. My daughter, be diligent in writing down every sentence I tell you concerning My mercy, because this is meant for a great number of souls who will profit from it." (1142 )

"My daughter, do you think you have written enough about My mercy? What you have written is but a drop compared to the ocean. I am Love and Mercy itself. There is no misery that could be a match for My mercy, neither will misery exhaust it, because as it is being granted - it increases. The soul that trusts in My mercy is most fortunate, because I myself take care of it." (1273)

" 998 Today, I took part in a one-day retreat. When I was at the last conference, the priest was speaking of how much the world needs God’s mercy, and that this seems to be a special time when people have great need of prayer and God’s mercy. Then I heard a voice in my soul: These words are for you. Do all you possibly can for this work of My mercy. I desire that My mercy be worshiped, and I am giving mankind the last hope of salvation; that is, recourse to My mercy. My Heart rejoices in this feast. After these words, I understood that nothing can dispense me from the obligation which the Lord demands from me."(998)

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Saint Faustina's Diary

Saint Faustina's diary is a written record of a love affair between two great lovers - Saint Faustina a humble creature, and the Most Blessed Trinity, her Creator. The very tender love God has for mankind walks across every page of her work, revealing with great clarity a loving, merciful God, a God made vulnerable by His great love for us, and His respect for our free will. A God pleading with us to take His message seriously... a God preparing us for a glorious destiny.

In the words of Faustina, so beautifully written: As I was writing the above words, I saw the Lord Jesus leaning over me, and He asked, My daughter, what are you writing? I answered, "I am writing about You, Jesus, about Your being hidden in the Blessed Sacrament, about Your inconceivable love and mercy for people." And Jesus said, "Secretary of My most profound mystery, know that yours is an exclusive intimacy with Me. Your task is to write down everything that I make known to you about My mercy, for the benefit of those who by reading these things will be comforted in their souls and will have the courage to approach Me. I therefore want you to devote all your free moments to writing". "But, O Lord, shall I always have a moment, at least a brief one, in which to write?" And Jesus answered, "It is not for you to think about that. Only do as much as you can, and I will always arrange things so that you will easily be able to do what I ask of you.