“…By Allah, we will take revenge! By Allah, we will take revenge! Even if it takes a while, we will take revenge, and every amount of harm against the Ummah will be responded to with multitudes more against the perpetrator…”
As quoted in Dabiq, issue #12; published November 18, 2015, pg. 2
2014, 2015
Source: http://www.clarionproject.org/docs/islamic-state-isis-isil-dabiq-magazine-issue-12-just-terror.pdf
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Abu Bakr al-Baghdadi 11
leader of the Islamic State of Iraq and the Levant 1971–2019Related quotes

“In taking revenge, a man is but even with his enemy; but in passing it over, he is superior.”
Of Revenge
Essays (1625)
Variant: Certainly, in taking revenge, a man is but even with his enemy; but in passing it over, he is superior; for it is a prince's part to pardon.

As quoted by General Sir Charles Fergusson in a memorandum (10 July 1945), recalling conversations with Adenauer in 1918-1919, at the end of World War I. As published in Adenauer : The Father of the New Germany (2000) by Charles Williams, p. 293 books.google https://books.google.de/books?id=7mhpKYpugJsC&pg=PA293

“She seldom bothered taking revenge. Time did that for her, eventually.”
Source: The Boat of a Million Years (1989), Chapter 15 “Coming Together”, Section 2 (p. 281)

“To take revenge halfheartedly is to court disaster:
Either condemn or crown your hatred.”
Qui se venge à demi court lui-même à sa peine:
Il faut ou condamner ou couronner sa haine.
Cléopâtre, act V, scene i.
Rodogune (1644)

Source: ""Trophy Kids"" by Jeffrey Tucker, The Rothbard-Rockwell Report, October 1997, UNZ.org, 2016-05-22 http://www.unz.org/Pub/RothbardRockwellReport-1997oct-00008,

“Revenge. They took too much. You give up and die, or learn how to take back.”
Source: Dreamfever

Interview with Kristina Rutherford for Sportsnet.ca (January 2018)
“He who cuts off his nose takes poor revenge for a shame inflicted on him.”
Male ulciscitur dedecus sibi illatum, qui amputat nasum suum.
De Hierosolymitana peregrinatione acceleranda (1189), cited from Mary Beth Rose (ed.) Women in the Middle Ages and Renaissance (Syracuse, NY: Syracuse University Press, 1986) p. 29; translation from John Simpson The Concise Oxford Dictionary of Proverbs (Oxford: Oxford University Press, 1993) p. 55.
A similar proverb, Qui son nez cope deshonore son vis, appears in the late 12th century chanson de geste Garin le Loheren, line 2877.