In Act 2 scene 4 Ross says "You can see the skies. They look upset". In this quote the use of the personification really describes the mood of the sky. Nature was disrupted making more unnatural things happen. The horses also killed each other by running free and eating each other. These examples help conclude that the theme's meaning is unnatural acts lead to unnatural events.
In conclusion the five themes taught valuable lessons the protagonist and antagonist have learned the hard way. In the play Macbeth by William Shakespeare the themes ultimately were lessons that were learned. The lessons learned were too much ambition can destroy you and others, to much guilt will not make you feel worthy of having a purpose to live, that nothing is what it seems, unnatural acts lead to unnatural events. In my opinion they should've looked before they leaped with all of these decisions to fully analyze their