“Maybe it’s what you’d do with the knowledge that determines whether or not you’ll discover the secret of time travel.”
“What?” I asked the old man.
“I know for a fact that time travel is possible. I knew the man who discovered it. And you’ll never guess what he used his discovery for.”
Well, I didn’t believe that old man any more than you believe me, but we’d been waiting in that airport for four hours, so I humored him.
“All right, I’ll bite,” I said. “What did he use time travel for?”
“Wally didn’t need to see the pyramids getting built, or sail with Columbus, or even watch JFK’s assassination. What Wally wanted to do, more than anything, was get to work on time.”
An introduction like that demands a story, so I sat down and let him tell me.