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 They facilitate the natural impulse of the mind to the highest regions of thought, and they naturally prepare it to conceive a sublime—nay, almost a divine—love of truth.

Men of science at such periods are consequently carried away by theory; and it even happens that they frequently conceive an inconsiderate contempt for the practical part of learning. “Archimedes,” says Plutarch, “was of so lofty a spirit, that he never condescended to write any treatise on the manner of constructing all these engines of offence and defence. And as he held this science of inventing and putting together engines, and all arts generally speaking which tended to any useful end in practice, to be vile, low, and mercenary, he spent his talents and his studious hours in writing of those things only whose beauty and subtilty had in them no admixture of necessity.” Such is the aristocratic aim of science: in democratic nations it cannot be the same.

The greater part of the men who constitute these nations are extremely eager in the pursuit of actual and physical gratification. As they are always dissatisfied with the position which they occupy, and are always free to leave it, they think of nothing but the means of changing their fortune, or of increasing it. To minds thus predisposed, every new method which leads by a shorter road to wealth, every machine which spares labour, every instrument which diminishes the cost of production, every discovery which facilitates pleasures or augments them, seems to be the grandest effort of the human intellect. It is chiefly from these motives that a democratic people addicts itself to scientific pursuits—that it understands, and that it respects them. In aristocratic ages, science is more particularly called upon to furnish gratification to the mind; in democracies, to the body.

You may be sure that the more a nation is democratic, enlightened, and free, the greater will be the number of these interested promoters of scientific genius, and the more will discoveries immediately applicable to productive industry confer gain, fame, and even power on their authors. For in democracies the working-class takes a part in public affairs; and public honours, as well as pecuniary remuneration, may be awarded to those who deserve them.

In a community thus organized it may easily be conceived that the human mind may be led insensibly to the neglect of theory; and that it is urged, on the contrary, with unparalleled vehemence