There is, of course, a limit to possible human
achievements. There are resources which
may not be exhausted without serious injury
to health. Those who accomplish most, however,
compare favorably with others in length
of days and retention of health.

_While overwork has its place among the things
which reduce energy and shorten life, it is my
opinion that overwork is not so dangerous or so
common as is ordinarily supposed_.

In not a few industries, the dominant house
or firm has for its head a man past seventy
who still keeps a firm and vigorous grip on the
business: men like Richard T. Crane of
Chicago, E. C. Simmons of St. Louis, and
James J. Hill, whose careers are records of
intense industry and absorbed devotion to the
work in hand.

_Many persons confuse overwork with what is
really underwork accompanied with worry or
unhygienic practices_.

A recent writer on sociology calls attention
to the fact that nervous prostrations and
general breakdowns are most common among