SIR ROBERT. Gertrude, Gertrude, you are to me the white image of all good things, and sin can never touch you. (4.272)
Oh dear. This quote occurs at the end of the play. After Sir Robert has twisted Lady Chiltern's arm to accept his imperfection and obvious missteps, he wants her to be the "white image of all good things"? Maybe you should write the sequel: An Ideal Wife.