Fire burn, and cauldron bubble. In the cauldron boil and bake; Boil thou first i’ the charmed pot. Toad, that under cold stone Fillet of a fenny snake, their brew Days and nights has thirty-one In the poison’d entrails throw, their brew your witches’ brew calls for your witches’ brew calls for their brew Round about the cauldron go; Lizard’s leg and owlet’s wing, Swelter’d venom sleeping got, your witches’ brew calls for Double, double toil and trouble; their brew For a charm of powerful trouble, Like a hell-broth boil and bubble Act 4 Scene 1 Adder’s fork and blind-worm’s sting, Wool of bat and tongue of dog, Eye of newt and toe of frog,