"Therefore, out of thy long-experienc'd time,
Give me some present counsel; or, behold,
'Twixt my extremes and me this bloody knife
Shall play the umpire, arbitrating that
Which the commission of thy years and art
Could to no issue of true honour bring.
Be not so long to speak. I long to die
If what thou speak'st speak not of remedy."
(Act 4, Scene 1)
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"'Twixt my extremes and me this bloody knife" foreshadows how Juliet kills herself after finding Romeo on the ground dead after drinking the poison.