Is it not clear enough? Does it not expressly declare that Caroline neither expects nor wishes me to be her sister; that she is perfectly convinced of her brother’s indifference; and that if she suspects the nature of my feelings for him, she means (most kindly!) to put me on my guard? Can there be any other opinion on the subject?

– Jane Austen

Pride and Prejudice, Chapter 21. An upset Jane Bennet has received a letter from Caroline Bingley suggesting that Charles Bingley no longer cares for her. But Jane doesn’t realize that a deceptive Caroline is trying to persuade Jane of this in order to break up their relationship.