Answer:
What can run but canβt walk?
One day a little boy named John went over to his parents and said that he wanted to shoot people and blow them up. His parents were really proud of his career choice. What does John want to do?
A precious stone, as clear as diamond. Seek it out while the sun's near the horizon. Though you can walk on water with its power, try to keep it, and it'll vanish in an hour.
A dagger thrust at my own heart, dictates the way I'm swayed. Left I stand, and right I yield, to the twisting of the blade.
I have an eye but cannot see, You'll head inside when you see me.
You use it between your head and your toes, the more it works the thinner it grows.