I like this quote. It rings true for me.
“You will not be punished for your anger, you will be punished by your anger.”
It is commonly attributed to Buddha. In fact I most recently saw it and a bunch of other powerful quotes on this Buddha Quotes page that a friend happened to like or comment about on social media. But as this page on a “Fake Buddha Quotes” website shows the phrasing of this quote makes that very unlikely. In fact the Fake Quotes site has an entire page dedicated to the veracity the the first Quotes Page, showing that many of the quotes were not “from” Buddha.
But as the article also shows, the anger quote is a logical paraphrase of Buddha’s teachings on anger. Nit-picking about the source of some of these spiritual, philosophical a/o psychological sound bites of wisdom often seems to miss the point. You fail to see the greater truth it communicates by debating the truth of its context, who first phrased it just so, etc.
All I know is I think this quote seems true to me, and I will strive to keep it in mind.