at I do not understand
this phraseology.
So far as I can arrive at any clear comprehension of the matter, Science
is not, as many would seem to suppose, a modification of the black art,
suited to the tastes of the nineteenth century, and flourishing mainly
in consequence of the decay of the Inquisition.
Science is, I believe, nothing but _trained and organized common sense_,
differing from the latter only as a veteran may differ from a raw
recruit: and its methods differ from those of common sense only so far
as the guardsman's cut and thrust differ from the manner in which a
savage wields his club. The primary power is the same in each case, and
perhaps the untutored savage has the more brawny arm of the two. The
_real_ advantage lies in the point and polish of the swordsman's weapon;
in the trained eye quick to spy out the weakness of the adversary; in
the ready hand prompt to follow it on the instant. But after all, the
sword exercise is only the hewing and poking of the clubman developed
and perfected.
So, the vast results obtained by Science are won by no mystical
faculties, by no mental processes, other than those which are practised
by every one of us, in the humblest and meanest affairs of life. A
detective policeman discovers a burglar from the marks made by his shoe,
by a mental process identical with that by which Cuvier restored the
extinct animals of Montmartre from fragments of their bones. Nor does
that process of induction and deduction by which a lady, finding a stain
of a peculiar kind upon her dress, concludes that somebody has upset
the inkstand thereon, differ in any way, in kind, from that by which
Adams and Leverrier discovered a new planet.
The man of science, in fact, simply uses with scrupulous exactness, the
methods which we all, habitually and at every moment, use carelessly;
and the man of business must as much avail himself of the scientific
method--must be as truly a man of science--as the veriest bookworm of us
all; though I have no doubt that the man of business will find himself
out to be a philosopher with as much surprise as M. Jourdain exhibited,
when he discovered that he had been all his life talking prose. If,
however, there be no real difference between the methods of science and
those of common life, it would seem, on the face of the matter, highly
improbable that there should be any difference between the methods of
the different sciences; nevertheless, it is constantly
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