Macbeth Weird Sisters (the Witches) Quotes

ALL
Double, double toil and trouble;
Fire burn, and cauldron bubble. (4.1.10-11)

And… this is maybe the most famous line in Macbeth. Here, they make all of Scotland sound like some nasty brew that they're whipping up over their fire. But if that's the case—then why does good triumph at the end?