As Mr. Goldman empties his backpack, his philosophy of teaching spills out, along with an interesting assortment of odds and ends. In this article Mr. Goldman describes the contents of his L.L. Bean daypack with two large compartments in the back, a smaller forward compartment, and a little zippered pocket in the very front, along with his teaching philosophy. He has spent over half of his career as a migrant teacher, working in other people's rooms rather than having a space of his own. Mr. Goldman's backpack has become his mobile classroom. As a teacher he carries all sorts of things with him to work: hopes, knowledge, prejudices, and all of the emotional baggage of his own experiences. And it helps him to also drag around a large pack full of assorted junk.