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 technical progress. The life of a discoverer or inventor is in itself agreeable: those who adopt it, as things are now, are seldom much actuated by economic motives, but rather by the interest of the work together with the hope of honour; and these motives would operate more widely than they do now, since fewer people would be prevented from obeying them by economic necessities. And there is no doubt that intellect would work more keenly and creatively in a world where instinct was less thwarted, where the joy of life was greater, and where consequently there would be more vitality in men than there is at present.

There remains the population question, which, ever since the time of Malthus, has been the last refuge of those to whom the possibility of a better world is disagreeable. But this question is now a very different one from what it was a hundred years ago. The decline of the birth-rate in all civilized countries, which is pretty certain to continue whatever economic system is adopted, suggests that, especially when the probable effects of the war are taken into account, the population of Western Europe is not likely to increase very much beyond its present level, and that of America is likely only to increase through immigration. Negroes may continue to increase in the tropics, but are not likely to be a serious menace to the white inhabitants of temperate regions. There remains, of course, the Yellow Peril; but by the time that begins to be serious, it is quite likely that the birth-rate will also have begun to decline among the races of Asia. If not, there are other means of dealing