The completion of my demoniacal design became an insatiable passion.
But when I discovered that he, the author at once of my existence and of its unspeakable torments, dared to hope for happiness, that while he accumulated wretchedness and despair upon me he sought his own enjoyment in feelings and passions from the indulgence of which I was forever barred, then impotent envy and bitter indignation filled me with an insatiable thirst for vengeance.
There are no more uses of "insatiable" in the book.
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The theft was motivated by her insatiable greed.
Her curiosity is insatiable, so she reads all the time.