How we cite our quotes: Citations follow this format: (Chapter.Paragraph)
Quote #10
"Miss Morland, no one can think more highly of the understanding of women than I do. In my opinion, nature has given them so much, that they never find it necessary to use more than half." (14.46)
Henry jokes about his feelings on women's intelligence here. As a rich man, Henry likely had many women targeting him for his money, and behaving ridiculously while doing it.
Quote #11
"But," said Eleanor, after a short pause, "would it be to promote his happiness, to enable him to marry such a girl? - She must be an unprincipled one, or she could not have used your brother so." (25.30)
Eleanor is speaking of Isabella and her relationship with Captain Tilney here. Isabella's reputation is pretty much ruined. Though Eleanor is related to the Captain, it is notable that she comments on Isabella's reputation and behavior and not so much on his.
Quote #12
He went; and, it being at any time a much simpler operation to Catherine to doubt her own judgment than Henry's, she was very soon obliged to give him credit for being right, however disagreeable to her his going. (26.15)
Catherine definitely hero-worships Henry, and frequently bows to his judgment.