esteem'd a Benefactor to Mankind. And tho' these Researches may appear painful and fatiguing; 'tis with some Minds as with some Bodies, which, being endow'd with vigorous and florid Health, require severe Exercise, and reap a Pleasure from what, to the Generality of Mankind, may seem burthensome and laborious. Obscurity, indeed, is painful to the Mind as well as to the Eye; but to bring Light from Obscurity, by whatever Labour, must needs be delightful and rejoicing.
But this Obscurity, in the profound and abstract Philosophy, is objected to, not only as painful and disagreeable, but as the inevitable Source of Uncertainty and Error. Here indeed lie the justest and most plausible Objection against a considerable Part of Metaphysics, that they are not properly a Science, but arise either from the fruitless Efforts of human Vanity, which would penetrate into Subjects utterly inaccessible to the Understanding, or from the Craft of popular Superstitions, which, being unable to defend themselves on fair Ground, raise these entangling Brambles to cover and protect their Weakness. Chac'd from the open Country, these Robbers fly into the Forest, and lie in wait to break in upon every unguarded Avenue of the Mind, and over-whelm it with religious Fears and Prejudices. The stoutest Antagonist, if he remits his Watch a Moment, is opprest:And
