Editorial note — Page 368 CHAPTER XIV

[Footnote 1: We have already noted the danger of too complete a commitment of science to immediately practical results. This narrows instead of broadening possibility. As Mr. F. P. Keppel points out in a recent article, "Scholarship in War" (Columbia University Quarterly, July, 1919), some of the most important and immediately practical contributions during the Great War came from the ranks of those who would be regarded as "pure theorists."]