Answer:
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
How far will a blind dog walk into a forest?
What month of the year has 28 days?
What is the freedom of birds and the pen of old men?
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
What sphinxes employ and players enjoy.