The intent of the person who hates is to do as much harm as he can, so they define hatred to be a disposition and intent on the watch for an opportunity to do harm.
 Plutarch, Moralia (c. 100 AD). copy citation

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Author Plutarch
Source Moralia
Topic hate opportunity
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

“and if they are treated kindly by the prosperous it grieves them, for they envy both their will and power to do kindnesses, the former proceeding from their goodness, the latter from their prosperity, but both being blessings. Thus envy is a passion altogether different from hatred, seeing that what abates the one pains and exasperates the other. § viii. Let us now look at the intent of each of these passions. The intent of the person who hates is to do as much harm as he can, so they define hatred to be a disposition and intent on the watch for an opportunity to do harm. But this is altogether foreign to envy.767 For those who envy their relations and friends would not wish them to come to ruin, or fall into calamity, but are only annoyed at their prosperity; and would hinder, if they could, their glory and renown, but they would not bring upon them irremediable misfortunes:” source