IN the northern ocean there is a fish, called the Leviathan, many thousand li in size. This leviathan changes into a bird, called the Rukh, whose back is many thousand li in breadth. With a mighty effort it rises, and its wings obscure the sky like clouds.
At the equinox, this bird prepares to start for the southern ocean, the Celestial Lake. And in the Record of Marvels we read that when the rukh flies southwards, the water is smitten for a space of three thousand li around, while the bird itself mounts upon a typhoon to a height of ninety thousand li, for a flight of six months' duration.
Just so are the motes in a sunbeam blown aloft by God. For whether the blue of the sky is its real colour, or only the result of distance without