A far more interesting personage in their mythology was Quetzalcoatl, god of the air, a divinity who, during his residence on earth, instructed the natives in the use of metals, in agriculture, and in the arts of government. He was one of those benefactors of their species, doubtless, who have been deified by the gratitude of posterity. Under him, the earth teemed with fruits and flowers, without the pains of culture. An ear of Indian corn was as much as a single man could carry. The cotton, as it grew, took, of its own accord, the rich dyes of human art. The air was filled with intoxicating perfumes and the sweet melody of birds. In short, these were the halcyon days, which find a place in the mythic systems of so many nations in the Old World. It was the _golden age_ of Anahuac.[102] From some cause, not explained, Quetzalcoatl incurred the wrath of one of the principal gods, and was compelled to abandon the country. On his way he stopped at the city of Cholula, where a temple was dedicated to his worship, the massy ruins of which still form one of the interesting relics of antiquity in Mexico. When he reached the shores of the Mexican Gulf, he took leave of his followers, promising that he and his descendants would revisit them hereafter, and then, entering his wizard skiff, made of serpents’ skins, embarked on the great ocean for the fabled land of Tlapallan. He was said to have been tall in stature, with a white skin, long, dark hair, and a flowing beard. The Mexicans looked confidently to the return of the benevolent deity; and this remarkable tradition, deeply cherished in their hearts, prepared the way, as we shall see hereafter, for the future success of the Spaniards.[103] We have not space for further details respecting the Mexican divinities, the attributes of many of whom were carefully defined, as they descended, in regular gradation, to the _penates_ or household gods, whose little images were to be found in the humblest dwelling. The Aztecs felt the curiosity, common to man in almost every stage of civilization, to lift the veil which covers the mysterious past and the more awful future. They sought relief, like the nations of the Old Continent, from the oppressive idea of eternity, by breaking it up into distinct cycles, or periods of time, each of several thousand years’ duration. There were four of these cycles, and at the end of each, by the agency of one of the elements, the human family was swept from the earth, and the sun blotted out from the heavens, to be again rekindled.[104]