The changes of the taste and manners of mankind, as well as discoveries in arts and science, lay a foundation for political changes; but it is an irregular foundation for change; its operation is sometimes in favour of, and sometimes against the same nation, and it never can be calculated beforehand.
As the nations that have improved in manufactures the latest have always carried them to the greatest perfection, it is natural to inquire how this happens.
The exertion of the mind and body are both of them greatly aug-
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{171} How many ridiculous attempts have been made, in the north, to rival the Italians in raising silk, and by enlightened men too; but it is not sufficient to be enlightened, it is necessary to follow a proper train of reasoning.-- Good natural sense sometimes supplies the place of regular reasoning, and, as if it were intuitively, arrives at a true conclusion.
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mented by success, and diminished by any thing of a contrary description. The rising nation has always an increased energy, and that which is about being rivalled a sort of discouragement and dismay. This is one cause, but there are others.
So far as methods of working and machinery are connected, the imitating nation has the advantage; it copies the best sort of machine, and the best manner of working at once. The workmen have neither an attachment to the old inferior methods, nor do they use old inferior machines, to avoid the expense of new ones. {172} In short, they adopt all improvements without much additional expense; and, as men's minds are always more occupied in thinking about a new object than an old one, they are even more likely to make improvements.
As to difficulties in rivalling a nation in skill, in any mechanical art, there are none. The only difficulties in manufactures are in the inventions and improvements, and those have been overcome by the leading nation, and are no difficulties to that which follows. There are, indeed, some arts which require particular talents, and a real exertion of genius; but those are so few in number, and have so little connection with the common affairs of mankind, or the wealth of nations, that they do not deserve to be noticed.