The effects of training are not to store up energy in the body, for it
has been proved that work decreases rather than increases the amount of
energy in the body. How is it, then, that training increases a man's
efficiency? It is obviously by improving his "structure," and probably
the most important part of this improvement is in bringing about better
relations between the muscles and the nerves. To pursue the analogy
which Mr. Redfield so often misuses, the effect of training on the human
machine is merely to oil the bearings and straighten out bent parts, to
make it a more efficient transformer of the energy that is supplied to
it.
The foundation stone of Mr. Redfield's hypothesis is his idea that the
animal by working stores up energy. This idea is the exact reverse of
the truth. While the facts which Mr. Redfield has gathered deserve much
study, his idea of "Dynamic Evolution" need not be taken
seriously.[198]
APPENDIX C
THE "MELTING POT"
America as the "Melting Pot" of peoples is a picture often drawn by
writers who do not trouble themselves as to the precision of their
figures of speech. It has been supposed by many that all the racial
stocks in the United States were tending toward a uniform type.
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