As the metal called gold always bore the highest value, these crude philosophers concluded, from a ridiculous analogy, that its value with respect to the preservation of health and the cure of diseases, must likewise surpass that of all other remedies. The nugatory art of dissolving it, so as to render it potable, and to prevent it from again being converted into metal, employed a multitude of busy idiots, not only in concealed corners, but in the splendid laboratories of the great. Sovereigns, magistrates, counsellors, and impostors, struck with the common frenzy, entered into friendship and alliance, formed private fraternities, and sometimes proceeded to such a pitch of extravagance, as to involve themselves and their posterity in ruinous debts. The real object of many was, doubtless, to gratify their avarice and desire of aggrandisement: although this sinister motive was concealed under the specious pretext of searching for a remedy that should serve as a tincture of life, both for the healthy and diseased, yet some among these whimsical mortals were actuated by more honourable motives, zealous only for the interest of truth, and the well-being of their fellow creatures. The common people, in some countries, particularly Italy, Germany, and France often denied themselves the common necessaries of life, to save as much as would purchase a few drops of the tincture of gold, which was offered for sale by some superstitious or fraudulent chemist: and so thoroughly persuaded were they of the efficacy of this remedy, that it afforded them in every instance the most confident and only hope of recovery. These beneficial effects were positively promised, but were looked for in vain. All subduing death would not submit to be bribed with gold, and disease refused to hold any intercourse with that powerful deity, who presides over the industry and commerce of all nations. As, however, these diversified and almost numberless experiments were frequently productive of useful inventions in arts and manufactures; and, as many chemical remedies of real value were thereby accidentally discovered, great and almost general attention to those bold projectors was constantly kept alive and excited. Indeed, we are indebted to their curious observations, or rather perhaps to chance, for several valuable medicines, the excellence of which cannot be disputed, but which, nevertheless, require more precaution in their use and application, and more perspicuity and diligence in investigating their nature and properties than the original preparers of such articles were able or willing to afford. All their endeavours to prolong life, by artificial means, could not be attended with beneficial effects; and the application of the remedies thus contrived, must necessarily, in many cases, have proved detrimental to the health of the patient.