What do you think of the following phrase "Bitterness only hurts ourselves."?

We think we’re punishing the perpetrators of crimes against us with the grudges we hold, but we’re not, because most times, they’ll never even know or care how we feel about what they did.

Bitterness only hurts ourselves.

What do you think? I think this is why I don't hold a grudge. Too much toxicity honestly. It becomes a poison.
What do you think of the following phrase "Bitterness only hurts ourselves."?
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