Emma is considered by many readers to be Jane Austen's crowning achievement, a timeless comedy of manners that lays bare the limits on women's autonomy in Regency England. The disparity between Emma Woodhouse's self-confidence and self-knowledge, and her determination to arrange marriages for her friends while avoiding one for herself, leads to a painful series of misunderstandings for everyone who suffers from her well-meaning altruism - and with Mr Knightley being the only person of her acquaintance who has the good sense to challenge her, Emma must eventually recognize her match in every sense.