Men put an end to their enmity and hatred, either if persuaded they have not been wronged, or if they come round to the view that those they hated are good men and not bad, or thirdly if they receive a kindness.
 Plutarch, Moralia (c. 100 AD). copy citation

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Author Plutarch
Source Moralia
Topic kindness hate
Date c. 100 AD
Language English
Reference
Note Translated by Arthur Richard Shilleto
Weblink http://www.gutenberg.org/files/23639/23639-h/23639-h.htm

Context

“so here too there is a great difference between these two passions, for hatred abandons neither the fortunate nor unfortunate, whereas envy is mitigated in the extreme of either fortune. § vii. Let as look at the same again from opposite points of view. Men put an end to their enmity and hatred, either if persuaded they have not been wronged, or if they come round to the view that those they hated are good men and not bad, or thirdly if they receive a kindness. For, as Thucydides says, the last favour conferred, even though a smaller one, if it be seasonable, outweighs a greater offence.766 Yet the persuasion that they have not been wronged does not put an end to envy, for people envy although absolutely persuaded that they have not been wronged;” source