therein the road to success. The apparently dormant peoples and periods often prove in the end to have been those of most rapid advance. “The race is not to the swift nor the battle to the strong.” But it enables us to plot the line of human progress by points far enough apart to allow us to distinguish between minor and temporary oscillations and fluctuations and the law of the curve. The torch is passed from people to people and from continent to continent, but never falls or goes out. There is always a “saving remnant.” We have grounds for a reasonable hope, not of a millennium, but of success in struggle. The economist, sociologist, and even the historian, are lookouts on the ship; evolution and prehistory must furnish chart and compass, and tell us our port of destination.

Many or most of the best thoughts in this book are borrowed. Some of these borrowings are credited to their owners in the bibliography. Of many others I can no longer remember the source. The recollection of successive classes of students in Amherst College, with whom I have discussed these topics, will always be a source of inspiration and gratitude. I owe many valuable suggestions to my colleagues in the faculty, especially to Professor F. B. Loomis. To the unfailing kindness and ability of Mr. and Miss Erb, of the Library of Columbia University; to Professor H. F. Osborn for his generous hospitality; to the staff of the Boston Public Library; to Doctor L. N. Wilson, of the Library of Clark University; most of all, to Mr. R. L. Fletcher and his assistants, of the Library of Amherst College, my debt is greater than can be expressed in any word of thanks.

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