But at last, pondering with herself the inconstant nature of mankind, and fearing that in time they would grow weary, and desert the divine Truth, following their own fancies, and living according to their own desires; she began to be troubled that her labours and pains should prove of so little effect, and therefore studied all manner of ways to prevent it. Amongst the rest, she called to mind a relation which the Bird-men made her once, of a mountain that did burn in flames of fire; and thereupon did immediately send for the wisest and subtlest of her Worm-men, commanding them to discover the cause of the eruption of that same fire; which they did; and having dived to the very bottom of the mountain, informed her Majesty, that there was a certain sort of stone, whose nature was such, that being wetted, it would grow excessively hot, and break forth into a flaming-fire, until it became dry, and then it ceased from burning. The Empress was glad to hear this news, and forthwith desired the Worm-men to bring her some of that stone, but be sure to keep it secret: she sent also for the Bird-men, and asked them whether they could not get her a piece of the sun-stone?