"Sit or stand erect with arms up — elbows bent, hands in front of you at chest level with fingertips touching. Now, without putting any strain on muscles of the arms, lightly press fingertips together. When you are doing this correctly, you can see the pectoral muscles expand with pressure of fingertips against fingertips. Do the exercise 40 times a minute for two minutes every day. At the end of two months, according to Mr. Davies, you no longer will be flat-chested." [Pittsburgh Press - Apr 6, 1939]

No Sign of War Seen
Before the section on psychology, Lewis F. Richardson of Paisley arrived at the encouraging conclusion that there is no sign of war — at least no mathematical sign. For the professor reduced to beautiful differential equations general tendencies common to all nations — resentment of defiance, the suspicion that defense is concealed aggression, response to imports by exports, restraint on armaments by the difficulty of paying for them, and, last, grievances and their irrationality. The psychologists were bewildered and amused.

Mathematically, Professor Richardson treated love and hate as if they were forces that could be designated by the usual X and Y. The forces make possible two opposite kinds of drifting, one leading to suspicion, the other leading from cooperation to united organization.

The balance of power, Professor Richardson holds, is best maintained by countries of different sizes rather than by a few countries of the same size. When he concluded from his mathematical analysis that there was no chance of war at present he remarked:

"I never would have accepted this unless I proved it to myself by mathematics."

His hearers left with the feeling that Europe's feverish preparation for war is only a declaration of peace to the knife.