What. were the circumstances of the quote be bloody bold and resolute laugh to scorn the power of man for none of woman born shall harm Macbeth?

The quote "Be bloody, bold, and resolute; laugh to scorn the power of man, for none of woman born shall harm Macbeth" was spoken by the witches in Shakespeare's play Macbeth. The circumstances were that the witches were giving Macbeth a false sense of invincibility, leading him to believe he was untouchable because he misinterpreted the prophecy to his benefit.