Answer:
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
What can you throw but not catch?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
What flares up and does a lot of good, and when it dies is just a piece of wood?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.