Excerpt from Congress of Arts and Science, Vol. 6: Universal Exposition, St. Louis, 1904; Medicine; Technology It is a fundamental law of psychology that thought tends to pass over into action. Applied science is knowledge in action. It is the flower of that highest philanthp of the ages by which not even thought exists for itself alone, but must find its end in the enlarge ment of human control over matter and force or the amelioration of the conditions of human life. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.