Answer:
Who works when he plays and plays when he works?
How can a pants pocket be empty, but still have something in it?
The artistic vandal's best friend.
How did the farmer find his wife?
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
Thousands lay up gold within this house. But no man made it. Spears past counting guard this house, but no man wards it.