correctness of this definition, it must be evident that society is the
beneficiary of the work of the politician, and would be the gainer if
the number of politicians were multiplied. The motive of self-interest
lies back of all human activities, and education is constantly striving
to stimulate and accentuate this motive. Even in altruism we may find an
admixture of self-interest. The merchant who arranges his goods
artistically may hope by this means to win more patronage, but, aside
from this, he wins a feeling of gratification. His self-interest may
look either toward a greater volume of business or to a better class of
patrons, or both. While he is enlarging the scope of his business, he
may be elevating the taste of his customers. In either case his
self-interest is commendable. A successful merchant is better for the
community than an unsuccessful one.

=Self-interest.=--The physician is actuated by the motive of
self-interest, also. His years of training are but a preparation for the
competition that is certain to fall to his lot. He is gratified at the
increase of his popularity as a successful practitioner. But he
prescribes modes of living as well as remedies, and so tries to
forestall and prevent disease, while he is exercising his curative
skill. He tries not only to restore health, but also to promote good
health in the community by his recommendations of pure food, pure water,
fresh air, and exercise. His motives are altruistic even while he is
consulting self-interest. None but the censorious will criticize the
minister for accepting a larger parish even with a larger salary
attached. The larger parish will afford him a wider field for
usefulness, and the larger salary will enable him to execute more of his
laudable plans.

=The methods of the politician.=--Hence it will be seen that, in the