Nerves that had been at high tension relaxed to normal.

Effort that had seemed exhaustive became pleasurable.

The ordinary problems of business or finance, once so apt to be vexatious, lost their power to produce worry.

In fact, these men had renewed their youth; they had altered the horizon-line of advancing age, across which only clouds of doubt and apprehension could be seen, to that of youth, radiant with the sunshine of hope and the promise of accomplishment.
[Illustration: INITIAL HIKE OF FIRST SENIOR SERVICE CORPS] This war has started some new thoughts and has given emphasis to others that may not be new but which have never been forced home.

One of these is the value of physical efficiency.