"She is tolerable; but not handsome enough to tempt me". COMMENT

This has more to do with Elizabeth's station than her looks. She might be pretty enough, but she'd need to be more than that to tempt him.

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Elizabeth and Darcy, however, hardly have the most favorable first impressions of one another. Elizabeth's quickness to judge Darcy and her pride in the accuracy of her perceptions will prevent from seeing the good side of his character until extraordinary events make her realize her mistake. Because of his pride and extreme class-consciousness, Darcy refuses even to consider Elizabeth as a dancing partner.

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