The Importance of Being Earnest
How we cite our quotes:
Lady Bracknell: Her [Gwendolen’s] unhappy father is, I am glad to say, under the impression that she is attending a more than usually lengthy lecture by the University Extension Scheme on the Influence of a permanent income on Thought. I do not propose to undeceive him. Indeed I have never undeceived him on any question. I would consider it wrong. (III.44)
Lady Bracknell takes on a powerful role here by deceiving Lord Bracknell. Her claim that his daughter "is attending a more than usually lengthy lecture" instead of rendezvousing with her lover is certainly a deception. Here, we see Lady Bracknell "protecting" Lord Bracknell from the truth.