"This supernatural soliciting. Cannot be ill, cannot be good. If ill, Why hath it given me earnest of success Commencing in a truth? I am Thane of Cawdor. If good, why do I yield to that suggestion Whose horrid image doth unfix my hair And make my seated heart knock at my ribs Against the use of nature?"
Is Macbeth saying that the witches' prophecy is unreliable, amoral, is Macbeth both attracted and repelled by the prophesy or all of them.