Answer:
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
When the creeper passes, all the grass kneels
Though desert men once called me God, today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
The ones who see it may go blind, Contracting the fool's madness. You have to dig to find it, Crush big stones or mine it. Wash dirt clumps in a pan and wait for it to settle, A shiny, precious metal.
What did the piece of wood say when he saw the screwdriver and screws approaching?