Answer:
A harvest sown and reaped on the same day In an unplowed field, Which increases without growing, Remains whole though it is eaten Within and without, Is useless and yet The staple of nations.
You heart it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung.
Whoever makes it, tells it not. Whoever takes it, knows it not. And whoever knows it wants it not
Both punishment and sweet reward, It will befall both fool and lord. It is a spiritual scoreboard, Your every deed it does record.
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
What language does a billboard speak?