Answer:
Five hundred begins it, five hundred ends it. Five in the middle is seen. First of all figures, the first of all letters. Take up their stations between. Join all together, and then you will bring before you the name of an eminent king.
What is given but kept by the giver?
What starts with a 'T', ends with a 'T', and has T in it?
What goes around the world and stays in a corner?
What do you have when you're sitting down that you don't have when you're standing up?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?