Fanny sighed, and said, "I cannot see things as you do; but I ought to believe you to be right rather than myself, and I am very much obliged to you for trying to reconcile me to what must be" (3.34).
"Manners as well as appearance are, generally speaking, so totally different. Till now, I could not have supposed it possible to be mistaken as to a girl's being out or not. [...]. Girls should be quiet and modest. The most objectionable part is, that the alteration of manners on being introduced into company is frequently too sudden" (5.32).
Henry Crawford had trifled with her feelings: but she had very long allowed and even sought his attentions, with a jealousy of her sister so reasonable as ought to have been their cure; and now that the conviction of his preference for Maria had been forced on her, she submitted to it without any alarm for Maria's situation, or any endeavour at rational tranquility for herself (7.8).