I've got the Mark of Cain," said Simon. "That means nothing...

I've got the Mark of Cain," said Simon. "That means nothing can kill me, right?" "You can kill yourself," Magnus said, somewhat unhelpfully. "As far as I know, inanimate objects can accidentally kill you. So if you were planning on teaching yourself the lambada on a greased platform over a pit full of knives, I wouldn't." "There goes my Saturday.