Sam Winchester: I have these nightmares.
Dean Winchester: I've noticed.
Sam Winchester: And sometimes they come true.
Dean Winchester: Come again?
Sam Winchester: Look, Dean... I dreamt about Jessica's death for days before it happened.
Dean Winchester: Sam, people have weird dreams, man. I'm sure it's just a coincidence.
Sam Winchester: No, I dreamt about the blood dripping, her on the ceiling, the fire, everything... I didn't do anything about it because I didn't believe it.