A guy gets home from work one night and hears a little voice. The little voice tells him, "Quit your job, sell your house, take your money, go to Vegas." The man is disturbed at what he hears and ignores the little voice.
The next day, when he gets home from work, the same thing happens. The little voice tells him, "Quit your job, sell your house, take your money, go to Vegas." Again, the man ignores the little voice, though he is very troubled by the event.
Every day, day after day, the man hears the same little voice when he gets home from work, "Quit your job, sell your house, take your money, go to Vegas." Each time the man hears the little voice he becomes increasingly upset. Finally, after two weeks, he succumbs to the pressure. He does quit his job, sells his house, takes his money and heads to Vegas.
The moment the man gets off the plane in Vegas, the little voice tells him, "Go to Harrah's." So, he hops in a cab and rushes over to Harrah's.
As soon as he sets foot in the casino, the little voice tells him, "Go to the roulette table." The man does as he is told. When he gets to the roulette table, the little voice tells him, "Put all your money on 17."
Nervously, the man exchanges all his money for chips and then puts them all on 17.
The dealer wishes the man good luck and spins the roulette wheel. Around and around the ball caroms. The man anxiously watches the ball as it slowly loses speed until finally it settles into number... 21.
The little voice says, "Oops..."