Answer:
Thousands lay up gold within this house. But no man made it. Spears past counting guard this house, but no man wards it.
The more of it there is, the less you see.
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
What do you throw out to use and take in when you're done?
What begins and has no end? What is the ending of all that begins?
What did the piece of wood say when he saw the screwdriver and screws approaching?