“And if a friend does you wrong, then say: "I forgive you what you have done to me; that you have done it to YOURSELF, however--how could I forgive that!”
Source: Thus Spoke Zarathustra
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Friedrich Nietzsche 655
German philosopher, poet, composer, cultural critic, and cl… 1844–1900Related quotes

Last words http://www.nytimes.com/learning/general/onthisday/big/0823.html (April 15, 1920)

Riyadh-as-Saliheen by Imam Al-Nawawi, volume 3, hadith number 442
Sunni Hadith

“Forgiveness to the injured does belong;
But they ne'er pardon who have done the wrong.”
Part 2, Act I, scene ii.
The Conquest of Granada (1669-1670)

I was touched by the tenderness of his tone, and asked why.
“Because I know!”
Professor Van Helsing to Dr. John Seward, in Dr. Seward's Diary entry for 22 September
Dracula (1897)