Answer:
Born of earth, but with none of its strength. Molded by flame, but with none of its power. Shaped
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own. What are they?
With head without hair. With mouth without tooth.
What is it which builds things up? Lays mountains low? Dries up lakes, and makes things grow? Cares not a whim about your passing? And is like few other things, because it is everlasting?
What's black when you get it, red when you use it, and white when you're all through with it?
What is always coming but never arrives?