What is the importance of Chef Pardus' home in the nonfiction book, The Making of a Chef: Mastering Heat at the Culinary Institute of America?

After Ruhlman finishes his courses at the CIA, he stops by Chef Pardus' home in order to reflect on his experiences at the CIA. It is here that Ruhlman hears Pardus tell him what he wants to hear: that he can be considered a true cook.