Martin explains how traveling back in time will enable him to avoid having ever crashed on Earth. Tim says, "Which would make you the little man who was never here." The 1899 poem Antigonish starts, "Yesterday upon the stair, I met a man who wasn't there! He wasn't there again today, oh how I wish he'd go away!" In 1939 the poem was adapted into a very popular song, 'The Little Man Who Wasn't There."