Page:Life in Motion.djvu/180

160 (if I may use a phrase that appears self-contradictory), of their physical organisation, and in doing so they develop each part of it. In like manner, the human being should, at least in early life, run, and leap, and play, and in more advanced life a good long daily walk will supply all that is necessary. There is a good deal of philosophy in this, as in many other common things.