Such is the foundation of man's faith, in either happy or unhappy omens: devoid of experience, unaccustomed to reason with precision, fearing to call in the evidence of truth, he looks upon them either as gods themselves, or else as warnings given him by his other gods, to whom he attributes the faculties of sagacity and foresight, of which he is himself miserably deficient. Ignorance, when involved in disaster, when immersed in trouble, believes a stone, a reptile, a bird, much better instructed than himself. The slender observation of the ignorant only serves to render him more superstitious; he sees certain birds announce by their flight, by their cries, certain changes in the weather, such as cold, heat, rain, storms; he beholds at certain periods, vapours arise from the bottom of some particular caverns? there needs nothing further to impress upon him the belief, that these beings possess the knowledge of future events; enjoy the gifts of prophecy: he looks upon them as supernatural agents, employed by his gods: it is thus he becomes the dupe to his own credulity. If by degrees the truth flashing occasionally on his mind, experience and reflection arrive at undeceiving him, with respect to the power, the intelligence, the virtues actually residing in these objects; he at least supposes them put in activity by some secret, some hidden cause; that they are the instruments, employed by some invisible agent, who is either friendly or inimical to his welfare. To this concealed agent, therefore, he addresses himself; pays him his vows; emplores his assistance; deprecates his wrath; seeks to propitiate him to his interests; is willing to soften his anger; for this purpose he employs the same means, of which he avails himself, either to appease or gain over the beings of his own species.