raliſts and Geometricians unite, as much as poſſible, the Practice with the Theory.
Strange, but ſo it is, that thoſe Things which reflect the greateſt Honour on the human Mind, are frequently of the leaſt Benefit to it! A Man who underſtands the four Fundamental Rules of Arithmetic, aided by a little good Senſe, ſhall amaſs prodigious Wealth, in Trade, ſhall become, a Sir Peter Delmé a Sir Richard Hopkins, a Sir Gilbert Heathcot, whilſt a poor Algebraiſt ſpends his whole Life, in ſearching for aſtoniſhing Properties and Relations in Numbers, which at the ſame time are of no manner of Uſe, and will not acquaint him with the Nature of Exchanges. This is very nearly the Caſe with moſt of the Arts; there is a certain Point, beyond which, all Reſearches ſerve to no other Purpoſe, than merely to delight an inquiſitive Mind. Thoſe ingenious and uſeleſs Truths may be compar'd to Stars, which, by being plac'd at too great a
