being theorists, and not
relying sufficiently upon practice.
What a powerful argument against Mr. Say (says Mr. Ferrier,) is the long
succession of distinguished ministers, the imposing league of writers
who have all differed from him; and Mr. Say is himself conscious of
this, for he says: "It has been said, in support of old errors, that
there must necessarily be some foundation for ideas so generally adopted
by all nations. Ought we not, it is asked, to distrust observations and
reasoning which run counter to every thing which has been looked upon as
certain up to this day, and which has been regarded as undoubted by so
many who were to be confided in, alike on account of their learning and
of their philanthropic intentions? This argument is, I confess,
calculated to make a profound impression, and might cast a doubt upon
the most incontestable facts, if the world had not seen so many
opinions, now universally recognized as false, as universally maintain,
during a long series of ages, their dominion over the human mind. The
day is not long passed since all nations, from the most ignorant to the
most enlightened, and all men, the wisest as well as the most
uninformed, admitted only four elements. Nobody dreamed of disputing
this doctrine, which is, nevertheless, false, and to-day universally
decried."
Upon this passage Mr. Ferrier makes the following remarks:
"Mr. Say is strangely mistaken, if he believes that he has thus answered
the very strong objections which he has himself advanced. It is natural
enough that, for ages, men otherwise well informed, might mistake upon a
question of natural history; this proves nothing. Water, air, earth, and
fire, elements or not, were not the less useful to man.... Such errors
as this are of no importance. They do not lead to revolutions, nor do
they cause mental uneasiness; above all, they clash with no interests,
and might, therefore, without inconvenience, last for millions of years.
The physical world progresses as though they did not exist. But can it
be thus with errors which affect the moral world? Can it be conceived
that a system of government absolutely false, consequently injurious,
could be followed for many centuries, and among many nations, with the
general consent of well-informed men? Can it be explained how such a
system could be connected with the constantly increasing prosperity of
these nations? Mr. Say confesses that the argument which he combats is
calcu
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