MACBETH: My dearest love,
Duncan comes here to-night.
LADY MACBETH: And when goes hence?
MACBETH: To-morrow, as he purposes.
LADY MACBETH: O, never
Shall sun that morrow see!

– William Shakespeare

Macbeth, Act 1, Scene 5. Lady Macbeth shows herself to be Shakespeare’s most villainous women as she conspires with her husband to kill King Duncan when he visits their castle. She vows that the sun will never rise again for Duncan, foreshadowing his death.