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14
he gave name as well as meaning—indeed,
he might fittingly be styled a manual
genius. There are two sides to man, two
correlative and reciprocal aspects—the
hand side and the brain side. Human
development begins in the child, and began
in our earliest ancestry so far as we are able
to think, chiefly in the perfecting of the
hand; for throughout the human world
men do before they know—indeed, the
greater part of knowing is always preceded
by generations of doing. So humanity’s
dawn was doubtless brightened through
manual genius; then came those later mil-
lennia in which the brain side of man
rose into dominance and illuminated progress
—and this was the time of intellectual
geniuses. Lately science has arisen, and
men have turned to the contemplation of
nature and have been led from there to the
conquest of natural forces. In the struggle
against dull nature the manual side of man
has again come into prominence, and the
pages of later history are emblazoned with
the names of inventors and experimentalists
in whom the hand side and the brain side