The Doom that Came to Sarnath
The Book of Truth, Chapter Four
Male and female they made the dragon, and in time it laid eggs, for the dragon was female, and the eggs bore young, for the dragon was male, and from these eggs sprang the entire race of dragons.
And the dragon breathes in mightily, even to this day, and that is why the wind blows from Darkness to Light, though its various eddies may swirl and bend like the movements of a river, and that is why the wind blows out from sea to land during the day, as the dragon exhales, and why the wind blows from land to sea at night, as the dragon inhales; for the good gods, in their wisdom, set the dragon across the waters, that none might happen upon it, and be devoured.
And past the place where the dragon's breath comes crashing to the ground, there is nothing, for darkness has always prevailed there, and the wages of sin are death; and armies of bone walk there, and there is weeping and despair there, and thus would be the whole world, if not for the light of the dragon, which creatures named sun. But past the dragon is the holy dwelling of the good gods, and the dragon stands eternal guard at their gates, and when the span of the dragon's years ends, and when it lays down to die, then too shall the whole world fall once again to darkness, and die.