"The Church’s very credibility is seen in how she shows merciful and compassionate love. The Church ‘has an endless desire to show mercy’." Source: Pope Francis, Misericordiae Vultus: BULL OF INDICTION OF THE EXTRAORDINARY JUBILEE OF MERCY
"With our eyes fixed on Jesus and his merciful gaze, we experience the love of the Most Holy Trinity… Everything in him speaks of mercy. Nothing in him is devoid of compassion." Source: Pope Francis, Misericordiae Vultus: BULL OF INDICTION OF THE EXTRAORDINARY JUBILEE OF MERCY
"Drive far away that hound of hell which comes at the time of your deepest mourning and whispers that God is neither merciful nor compassionate. You will find, if you take the trouble, that before you sinned he was assuring you that God is loving, compassionate, and forgiving." Source: St. John Climacus, The Ladder [...]
"Grant that I may have love, compassion and mercy for every soul without exception. O my Jesus, each of Your saints reflects one of Your virtues; I desire to reflect Your compassionate heart, full of mercy; I want to glorify it." Source: St. Faustina, Diary: Divine Mercy in My Soul
"Kindness towards the afflicted becomes compassion, which means a suffering with, or an entering into the distress and the pains of others as if they were our own." Source: Ven. Fulton Sheen, The Way to Happiness