Justice held her ground, undisturbed and unassailed by the efforts of favour and of interest, that now so much impair, pervert, and beset her.
And though it is plain they could not do without eating and performing all the other natural functions, because, in fact, they were men like ourselves, it is plain too that, wandering as they did the most part of their lives through woods and wilds and without a cook, their most usual fare would be rustic viands such as those thou now offer me; so that, friend Sancho, let not that distress thee which pleases me, and do not seek to make a new world or pervert knight-errantry.
"Thou mayest well say that, Sancho," replied Don Quixote, "as thou sawest her in the full perfection of her beauty; for the enchantment does not go so far as to pervert thy vision or hide her loveliness from thee; against me alone and against my eyes is the strength of its venom directed.
There are no more uses of "perversion" in the book.
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It was an unacceptable perversion of justice.
The library wants to assure the Internet is not used to strengthen pedophilia or other unhealthy sexual perversions.