In these days immediately following the Great War it is well upon beginning anything--even a modest biographical sketch--to consider a few elementals and distinguish them from the changing unessentials, to keep a sound basis of sense and not be led into hysteria, to look carefully again at the beams of our house and not be deceived into thinking that the plaster and the wall paper are the supports of the building. Let us consider a few of these elementals that apply to the subject in hand as well as to the rest of the universe--elemental truths which do not change, which no Great War can.