The Polar Express is about faith, and the power of imagination to sustain faith. It's also about the desire to reside in a world where magic can happen, the kind of world we all believed in as children, but one that disappears as we grow older.
“I think that by following the route that I have tried to outline, one gets into a much more interesting and productive series of questions than those that result from saying simply that Chinese don't like milk because they don't like milk.”