Gwendolen, with all her cleverness and purpose to be agreeable, could not escape that form of stupidity: it followed in her mind, unreflectingly, that because Mrs. Arrowpoint was ridiculous she was also likely to be wanting in penetration, and she went through her little scenes without suspicion that the various shades of her behavior were all noted.

Gwendolen, with all her cleverness, could not escape that form of stupidity: she thought, unreflectingly, that because Mrs. Arrowpoint was ridiculous she was also likely to be lacking in penetration, and she went through her little scenes without suspicion that her behaviour was noted.
