“Qaddafi declared he would show “no mercy” to his own people.”
2011, Address on interventions in Libya (March 2011)
Context: Ten days ago, having tried to end the violence without using force, the international community offered Qaddafi a final chance to stop his campaign of killing, or face the consequences. Rather than stand down, his forces continued their advance, bearing down on the city of Benghazi, home to nearly 700,000 men, women and children who sought their freedom from fear.
At this point, the United States and the world faced a choice. Qaddafi declared he would show “no mercy” to his own people. He compared them to rats, and threatened to go door to door to inflict punishment. In the past, we have seen him hang civilians in the streets, and kill over a thousand people in a single day. Now we saw regime forces on the outskirts of the city. -->
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Barack Obama 1158
44th President of the United States of America 1961Related quotes

Riyadh-as-Saliheen by Imam Al-Nawawi, volume 2, hadith number 277
Sunni Hadith

“Who will not mercie unto others show,
How can he mercy ever hope to have?”
Canto 2, stanza 42
The Faerie Queene (1589–1596), Book V

The Last Testament : Interviews with the World Press (1986)
Context: Buddha declared before his death that he would be coming again after twenty-five centuries, and that his name would be Maitreya. Maitreya means the friend. Buddhas don't come back; no enlightened person ever comes back, so it is just a way of saying... What he was saying is of tremendous importance. It has nothing to do with his coming back; he cannot come back. What he meant was that the ancient relationship between the Master and the disciple would become irrelevant in twenty-five centuries. It was his clarity of perception — he was not predicting anything — just his clarity to see that as things are changing, as they have changed in the past and as they go on changing, it would take at least twenty-five centuries for the Master and disciple relationship to become out of date. Then the enlightened Master will be only the friend. I had always wanted not to be a Master to anybody. But people want a Master, they want to be disciples; hence, I played the role. It is time that I should say to you that now many of you are ready to accept me as the friend. Those who are in tune with me continuously, without any break, are the only real friends...

Stanza 10; this extends upon the theme evident in the lines of Edmund Spenser in The Faerie Queene (1596), Book V, Canto ii, Stanza 42: "Who will not mercie unto others show, How can he mercy ever hope to have?"
The Universal Prayer (1738)

Soren Kierkegaard, Three Discourses at the Communion on Fridays.1 John 3: From Cristian Discourses & The Lilies of the Field & The Birds of the Air, & Discourses at the Communion on Fridays 1848 Translated by Walter Lowrie 1940, 1961 Galaxy Books P. 298-299
1840s, Christian Discourses (1848)
Source: The Worldly Philosophers (1953), Chapter IX, John Maynard Keynes, p. 248-249