If the extent of the human view could comprehend the whole frame of the universe, I believe it would be found invariably true, that Providence has given that in greatest plenty, which the condition of life makes of greatest use; and that nothing is penuriously imparted, or placed far from the reach of man, of which a more liberal distribution, or more easy acquisition, would increase real and rational felicity. Iron is common, and gold is rare. Iron contributes so much to supply the wants of nature, that its use constitutes much of the difference between savage and polished life, between the state of him that slumbers in European palaces, and him that shelters himself in the cavities of a rock from the chilness of the night, or the violence of the storm. Gold can never be hardened into saws or axes; it can neither furnish instruments of manufacture, utensils of agriculture, nor weapons of defence; its only quality is to shine, and the value of its lustre arises from its scarcity. Throughout the whole circle, both of natural and moral life, necessaries are as iron, and superfluities as gold. What we really need we may readily obtain; so readily, that far the greater part of mankind has, in the wantonness of abundance, confounded natural with artificial desires, and invented necessities for the sake of employment, because the mind is impatient of inaction, and life is sustained with so little labour, that the tediousness of idle time cannot otherwise be supported. Thus plenty is the original cause of many of our needs; and even the poverty, which is so frequent and distressful in civilized nations, proceeds often from that change of manners which opulence has produced. Nature makes us poor only when we want necessaries; but custom gives the name of poverty to the want of superfluities. When Socrates passed through shops of toys and ornaments, he cried out, "How many things are here which I do not need!" And the same exclamation may every man make who surveys the common accommodations of life. Superfluity and difficulty begin together. To dress food for the stomach is easy, the art is to irritate the palate when the stomach is sufficed. A rude hand may build walls, form roofs, and lay floors, and provide all that warmth and security require; we only call the nicer artificers to carve the cornice, or to paint the ceilings. Such dress as may enable the body to endure the different seasons, the most unenlightened nations have been able to procure; but the work of science begins in the ambition of distinction, in variations of fashion, and emulation of elegance. Corn grows with easy culture; the gardener's experiments are only employed to exalt the flavours of fruits, and brighten the colours of flowers.