The Divine Mercy
She wrote and suffered in secret, with only her spiritual director and some of her superiors aware that anything special was taking place in her life. After her death from tuberculosis in 1938, even her closest associates were amazed as they began to discover what great sufferings and deep mystical experiences had been given to this Sister of theirs, who had always been so cheerful and humble. She had taken deeply into her heart, God's gospel command to "be merciful even as your heavenly Father is merciful" as well as her confessor's directive that she should act in such a way that everyone who came in contact with her would go away joyful. The message of mercy that Sister Faustina received is now being spread throughout the world; her diary, Divine Mercy in my Soul, has become the handbook for devotion to the Divine Mercy.