"Bring me no more reports; let them fly all! / Till Birnam wood remove to Duinsinane / I cannot taint with fear" (5.3.1-3) Macbeth is isolating himself in the fear that someone will come and kill him before his timely death.
"This time goes manly. / Come, go we to the king. Our power is ready; / Our lack is nothing but our leave." (4.3.235-237) After a long discussion between Malcolm and Macduff, Malcolm agrees to send armies to help fight Macbeth.
"Accursed be that tongue that tells me so, / For it hath cowed my better part of man" (5.8.17-18) Macbeth has realized he's gone too far and that he's tried getting to much.
"Through Birnam wood be come to Dunsinane, / And thou opposed, being of no woman born / ,get I will try the last" (5.8.30-33) Macbeth has now discovered that Macduff is the man whom the witches spoke of so he knows he'll lose, but he;s going out fighting.
"Hail, King! for so thou art; behold, where stands / Th'us surpres's cursed head, The time is free" (5.8.54-55) The evil of Scotland is gone now and their world feels back to normal with Macbeth and his wife vanquished.