it is the time for concentrated action on my
work. By continuously resisting movements
which tend to distract and by holding myself
in the position of attention, the strain upon
my will in forcing concentration becomes less.

_Concentration is practically impossible when
the brain is fagged or the bodily condition is far
below the normal in any respect_.

The connection between the body and the
mind is most intimate, and the perfect working
of the body is necessary to the highest efficiency
of the mind. The power of concentration is
accordingly affected by surroundings in the
hours of labor, by sleep and recreation, by the
quality and quantity of food, and by every
condition which affects the bodily processes
favorably.

Recognition of this truth is behind the very
general movement, both here and abroad, to
provide the best possible conditions both in the
factories and the home environment of workers.
Employers are coming more and more to un-

derstand that conservation of physical forces
means maximum output. The foundation,
of course, is a clean, spacious, well-lighted, and
perfectly ventilated factory in a situation which