reuben , s entire family , as well as celeste and mort keller , and dr. cutler , came north for thanksgiving , joining reuben , laura , stuart , and the distinguished gentlemen , and it was the greatest party the house had seen so far , and the most inescapable proof of the truth of margon , s maxim , that one must live in both worlds - the world of the human and the world of the beast - if one was to survive .