Answer:
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
The day is their night and the night is their day, when I shout and they shout back I run away.
You use it between your head and your toes, the more it works the thinner it grows. What is it?
What instrument plays from the heart?
What starts with a P, ends with an E and has a million letters in it?
Some try to hide some try to cheat. But time will show we always will meet. Try as you might to guess my name. I promise you'll know when you I do claim.