Charity and philanthropy seem to be addressed frequently in the story. Mrs. Pardiggle and Mrs. Jellyby have something in common in their efforts to help others. What is it?

They are both inattentive mothers who are not tuned in to the needs of their children, but more closely aligned with the needs of those less fortunate. In this way, they are portrayed as somewhat self-centered in their efforts, and unable to see in front of them what their true obligations are.