"This thing is dangerous," I said. "Also, the fact that it can't be undone could lead to horrible consequences."
I soon had an idea of how to get rid of the danger of the stone without losing its limitless potential.
"I wish that I had the power to, at will, travel through time, space, and to different universes, taking anything and anyone I want with me."
Then, "I wish that the power of this stone, and all versions in other universes, would cease functioning, and that everything currently existing would cancel out any such stone from the past upon touching it."
That done, I threw the rock over my shoulder, content that now, I could go anywhere, anywhen I wanted, and decided that the universe I would go to would be...
