I was once being interviewed by Barbara Walters. In between two of the segments she asked me: "But what would you do if the doctor gave you only six months to live?" I said, "Type faster." This was widely quoted, but the "six months" was changed to "six minutes," which bothered me. It's "six months."
"Asimov Laughs Again: More Than 700 Favorite Jokes, Limericks and Anecdotes". Book by Isaac Asimov, 1992.