Read the excerpt from Act III of The Importance of Being Earnest. Gwendolen: True! I had forgotten. There are principles at stake that one cannot surrender. Which of us should tell them? The task is not a pleasant one. Cecily: Could we not both speak at the same time? Gwendolen: An excellent idea! I nearly always speak at the same time as other people. Will you take the time from me? Cecily: Certainly. [ Gwendolen beats time with uplifted finger.] Gwendolen and Cecily: [Speaking together.] Your Christian names are still an insuperable barrier. That is all! Which trait is most shown by both Cecily and Gwendolen in this excerpt?