Ban goc (Tiếng Anh)

PREFACE It may save misunderstanding if a word or so be said here of the aim and scope of this book. It is written in relation to a previous work, Anticipations, [Footnote: Published by Harper Bros.] and together with that and a small pamphlet, “The Discovery of the Future,” [Footnote: Nature, vol. lxv. (1901-2), p. 326, and reprinted in the Smithsonian Report for 1902] presents a general theory of social development and of social and poli