In the beginning, Oceanic Flight 815 started shaking somewhere over the Indian Ocean. "My husband keeps reminding me that planes want to be in the air," Rose nervously tells the passenger sitting next to her, a levelheaded neurosurgeon named Jack Shephard. "Well, he sounds like a very smart man," Jack replies. Moments later, 815 is ripped into three pieces, emptying its contents onto a Chinese box of an island. Twenty minutes into the still-stunning pilot episode of , the message was clear: there are situations in which book smarts are worthless, in which eggheads wind up with egg on their faces. Or, to borrow from the Book of Romans, "Professing themselves to be wise, they became fools." is constantly alluding to the Bible: character identities (Shephard!), plotlines, explicit references to Scripture. As fans start speculating about the show's final season (set to launch on Feb. 2), they would do well to remember that more than anything else—and more than any other acclaimed show ever on television— is a show about faith. It's not for nothing that this season's publicity photo features the cast in a Last Supper–style tableau.