[And at that, Bran thinks of the war, of Winterfell, sacked and broken--of his father's death--of what lies beyond the Wall, which he has only glimpsed in dreams. Winter is coming--it will go, and come again, but what of the world will be left when the snows melt? Not Winterfell. Not as he knew it. And not the Starks, not as they were. Are those only small things, part of that temporary peace that does not last? Or are they evils?]

Do you really believe that? There might be some great evil-- or what if you do not know what is evil or good? You might choose wrongly. The same could happen to the world.