Answer:
It's equally comfortable in an orchestra and a geometry textbook. What is it?
What points the way without a hand. It floats on water but exists on land?
What turns everything around but does not move?
I can run but not walk. Wherever I go, thought follows close behind.
A great mysterious place that the bold have been known to journey into.
What did the piece of wood say when he saw the screwdriver and screws approaching?