The malicious humor of men, though perverse and refractory, is not so savage and invincible but it may be wrought upon by kindness, and altered by repeated obligations.
 Plutarch, Parallel Lives (c. 100 AD). copy citation

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Author Plutarch
Source Parallel Lives
Topic kindness humor
Date c. 100 AD
Language English
Reference
Note Translated by A. H. Clough
Weblink http://www.gutenberg.org/files/674/674-h/674-h.htm

Context

“What if Heraclides be perfidious, malicious, and base, must Dion therefore sully or injure his virtue by passionate concern for it? For, though the laws determine it juster to revenge an injury than to do an injury, yet it is evident that both, in the nature of things, originally proceed from the same deficiency and weakness. The malicious humor of men, though perverse and refractory, is not so savage and invincible but it may be wrought upon by kindness, and altered by repeated obligations. Dion, making use of these arguments, pardoned and dismissed Heraclides and Theodotes. And now, resolving to repair the blockade about the castle, he commanded all the Syracusans to cut each man a stake and bring it to the works;” source