WARNING: The following contains SPOILERS for the television show Lost. If you have not caught up through season 5, do not read this. It will spoil your enjoyment of the show. Lost makes no great attempt to hide its recurring themes. Faith versus reason (as I've already discussed), free will versus fate, and redemption and rebirth are not just subtle thematic elements of the show, they are right up front and center. These aspects of the show's thematic heart are oft discussed, but a common…