Security and seclusion are privileges cherished by what used to be called the “aristocrats.” Place both within reach of the masses by insurance and by transport facilities. Make all these luxuries and privileges common property. It is not so many centuries ago that a mariner’s compass was bartered for diamonds. To-day it costs a penny. And then we come upon a difficulty. When a thing becomes common property, or so cheap as to be of practically no price, it ceases to be coveted. There is a tendency deep-rooted in the human heart to reach out beyond the things of to-day for something not yet attained. When Communism has shared out the earth, it will ask for the moon. Humanity will never assume a “dead level of mediocrity.” There will always be the Thyroid Type, energetic, inquisitive, sensitive, inventive, and restless. The class of Pathfinders will be recruited from that type. The Pituitary Type will furnish commanders and organizers, while the Adrenal Type will furnish the rank and file. But the intermixture of the various types will bring out special constitutions and varieties in unexpected quarters, and it behoves us to keep “_la carrière ouverte aux talents_.” Thus the human army will march forward, led by a Pillar of Fire. Its pace will be constantly accelerated, but we shall hardly be aware of it, for our methods of measuring time will change in the same ratio. A well-made motor-car on a smooth road can hum along sweetly at sixty miles an hour, and its occupants will be less impressed and excited than they would be by the horse careering at 20 miles per hour! And what are all these speeds to the absolutely smooth planetary speed of nineteen miles per second! It has been asserted that the tremendous powers conferred upon man by machinery have produced the terrific wars of recent times by placing power in the wrong hands. There may be some justice in this, but the amount of destruction is negligible in comparison with the amount of construction and reparation. When Kitchener saved a few hundred casualties at Paardeberg by sparing his men, he lost 10,000 at Bloemfontein by enteric fever. The bloodiest war is sometimes the least costly on balance. The greatest war of all history ended but seven years ago, and already the beaten nations have healed up their wounds and are looking forward to the future with greater confidence than many of the “victorious” nations. Mankind is increasing the rapidity of its nervous reaction to emergencies and injuries. The leucocytes of the body politic set to work sooner and more effectively to heal the damage. Mankind as an organism is daily improving its circulatory system, _alias_ its transport facilities. Its nervous system closely imitates organic nerves by its cables and land-lines, and it improves upon nature by adding wireless communication and resonance to the organic devices of the body.