Good Turn - Marcus Aurelius
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Such There Be, Who when They Have Done a Good Turn to Any, Are Ready to set them on the score for it, and to require retaliation. Others there be, who though they stand not upon retaliation, to require any, yet they think with themselves nevertheless, that such a one is their debtor, and they know as their word is what they have done. Others again there be, who when they have done any such thing, do not so much as know what they have done; but are like unto the vine, which beareth her grapes, and when once she hath borne her own proper fruit, is contented and seeks for no further recompense.
– Marcus Aurelius