Excerpt from Parents and Their Problems: A Systematic Course in Child Nurture<br><br>These exceptional cases only serve to illustrate the extent to which nature will go in her variations from the normal when special development for any purpose is required. Danger lies in the direction of the extremes, and unsoundness, disease and exter mination are the inevitable results of too great a departure from the mean. In mental and physical development nature always tends toward the normal. In refusing to perpetuate the extremes she keeps down the number of freaks and anomalies. In seek ing for man's success in competing with rivals and contending with the forces of nature we have not been sufficiently mindful of what he owes to the division of labor and the ability to co-operate with others. This is now becoming very apparent in the building of a community or nation - it is equally apparent in the building of a sound physique.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>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.