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[60]. Hugo Münsterberg, American Problems, p. 29.
[61]. Morris Llewellyn Cooke, Bulletin No. 5 of The Carnegie Foundation for the Advancement of Teaching, p. 70. William Kent, Discussion of Paper 647, A.S.M.E., p. 891.
[62]. A well known athlete started throwing a ball at his son in infancy, to prepare him to be an athlete, thus practically sure of a college education.
[63]. Meyer Bloomfield, The Vocational Guidance of Youth, Houghton Mifflin & Co.
[64]. A. Pimloche, Pestalozzi and the Foundation of the Modern Elementary School, p. 139.
[65]. Friedrich Froebel, Education of Man, "To secure for this ability skill and directness, to lift it into full consciousness, to give it insight and clearness, and to exalt it into a life of creative freedom, is the business of the subsequent life of man in successive stages of development and cultivation."