It is to the imperfection of our faculties, then, as forcing us to guess and explore what is half concealed from us, that we owe our laborious experiments and reasonings, and consequently all the science which is the result of these; and the proudest discoveries which we make may thus, in one point of view, whatever dignity they may give to a few moments of our life, be considered as proofs and memorials of our general weakness. If, in its relation to matter, philosophy be founded, in a very great degree, on the mere badness of our eyes, which prevents us from distinguishing accurately the minute changes that are constantly taking place in the bodies around us; we have seen, in like manner, that, in its relation to the mind, it is founded chiefly, or perhaps wholly, on the imperfection of our power of discriminating the _elementary_ feelings, which compose our great complexities of thought and passion; the various relations of which are felt by us only on attentive reflection, and are, therefore, in progressive discovery, slowly added to relations that have before been traced. In both cases, the analysis, necessary for this purpose, is an operation of unquestionable difficulty. But it is surely not less so, in mind, than in matter; nor, when nature exhibits all her wonders to us, in one case, in objects that are separate from us, and foreign; and, in the other, in the intimate phenomena of our own consciousness, can we justly think, that it is of _ourselves_ we know the most. On the contrary, strange as it may seem, it is of her _distant_ operations, that our knowledge is least imperfect; and we have far less acquaintance with the sway which she exercises in our own mind, than with that by which she guides the course of the most remote planet, in spaces beyond us, which we rather _calculate_ than _conceive_. The only science, which, by its simplicity and comprehensiveness, seems to have attained a maturity that leaves little for future inquiry, is not that which relates immediately to man himself, or to the properties of the bodies on his own planet, that are ever acting on his perceptive organs, and essential to his life and enjoyment; but that which relates to the immense system of the universe, to which the very orb, that supports all the multitudes of his race, is but an atom of dust, and to which himself, as an individual, is as nothing. “Could he, whose rules the rapid comet bind, Describe or fix one movement of his mind? Who saw its fires here rise, and there descend, Explain his own beginning or his end? Go, wondrous creature! mount where Science guides, Go, measure earth, weigh air, and state the tides; Instruct the planets in what orbs to run, Correct old Time, and regulate the Sun; Go, soar with Plato to th' empyreal sphere, To the first good, first perfect, and first fair; Go, teach Eternal Wisdom how to rule-- Then drop into thyself, and be a fool!”[41]