The best inference that can be made based on the diction in this passage is:
It reveals Madame Jourdain's views of her husband while reinforcing his commitment to aristocratic behavior.
This conclusion is drawn from Madame Jourdain's skeptical remark, "You, a gentleman? Ha!" which indicates her disbelief and perhaps disapproval of her husband's aspirations. Meanwhile, Jourdain's statements reflect his strong desire to attain noble status, emphasizing his commitment to the ideals of aristocracy.