Legend has it that an Irish blacksmith called Jack shared drinks with the Devil on a Halloween night. Jack was an evil and stingy man, but he was also very clever, and he knew that the Devil had come to claim his soul. So, he quickly devised a plan. When it came to paying the bartender, Jack told the Devil, “You can take any form you wish; just change yourself into a silver coin, let me use you to pay for the drinks, and then you can change yourself back and take my soul.”