That he's able to survive at all costs, and that he's willing to give his all to live.
There was a fire on the mountains in September. The purpose is to personify the situation
. Like burnt-out torches by<span> a sick </span>man's bed<span> ... </span>6<span>. The sun was shining on the sea, / Shining with all his might:.</span>
Lady Macbeth: she worries her husband is too kind-natured to be able to take the crown however is determined to assist him. She calls on demonic spirits to help her.
Macbeth: he is not convinced, even though his ambitious thoughts led him to think about it previously, Lady Macbeth starts convincing him - this shows him as weak-willed.