Perhaps everyone in his lifetime has dreamed of winning the lottery. In reality, the chance of winning any lottery for anyone is infinitesimal. And when someone wins, he is the sole winner. Does winning make the winner any happier in the end? Not according to one documentary I watched on past lottery winners.
Dreaming that you succeed in entering heaven is a much better choice. Chances are you'll surely succeed if you follow certain instructions. There is no limit to how many people can win. And winning guarantees everlasting happiness.