34+ Macbeth Witches Quotes Act 4. Great birnam wood to high . — the witches call up apparitions which give macbeth warnings, promises, and prophecies: In act iv, scene i, the witches show macbeth the following three things: In a cavern, the three witches prepare a foul broth. He is determined to have an answer from the witches, no matter what storms their enchantments raise, and no matter what destruction of life and property results . Macbeth enters and demands from them that they answer the questions he will ask them. Toad, that under cold stone. Together the three witches chant: Macbeth witcheslady macbeththree witcheswitches cauldronposter printsart . In the poison'd entrails throw.