It is hard for average people to muster the kind of confidence that Jesus expresses in his three-part lesson on prayer. Your kingdom come: The kingdom seems light years away. Give us each day our daily bread: People die of hunger all the time, even in affluent countries. Forgive us our sins: Forgiveness is the exception, certainly not the rule.
Even a cursory investigation of art through the ages that contains images of Mary and Martha will uncover a common thread. Invariably, Mary and Martha are snarling at one another, having been forever pitted against one another by the Gospel of Luke.