Sonia said this as though in despair, wringing her hands in excitement and distress. Her pale cheeks flushed, there was a look of anguish in her eyes. It was clear that she was stirred to the very depths, that she was longing to speak, to champion, to express something. A sort of insatiable compassion, if one may so express it, was reflected in every feature of her face.
—Fyodor Dostoevsky Crime and Punishment (1917)
insatiable - vocabulary
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