Final answer:
Madame Parnelle wants to leave because her advice is ignored by the family, exemplifying her frustration and the play's thematic focus on hypocrisy and ignored wisdom.
Step-by-step explanation:
The character Madame Parnelle from Tartuffe by Molière wants to leave the house because she feels that no one pays attention to her advice. This is a typical scenario in the play where Madame Parnelle's opinions and admonitions to her family are ignored, leading to her frustration and desire to depart.
The question seems to be from a literature class focusing on the analysis of character motivations and the themes presented in classical plays.