"lifes but a walking shadow, a poor player"-Macbeth themes ambition guilt relationship. "shadow" represents him trying to catch power a never ending pursuit much like the "fruitless crown". Macbeth is showing us side of us we have never seen we see that Macbeth realises that his pursuit of power was worthless and has accepted his fate. Shakespeare is trying to emphasise if you go against the king there is no forgiveness no matter how much sympathy you feel. context religion god is ultimately above the fruits of Macbeths labour will never be sweet because he got them by dishonour.