Macbeth has heard that his wife died but does not realize this as important and meaningless as life is only dust. Tomorrow is a phrase of beats of time that brings with it doom. The candle is maybe the imagery of a soul in which Macbeth's future is grim.
Explanation:
the root world is not complete word
Perseus accidentally killed his grandfather, Acrisius in a discus throwing contest and fulfills the Oracle prophecy.
