Screw your courage– (willing) to the sticking place.
I think this means to be Determined by my opinion courage means to be fierce,to do think most people would not do.
In this scene, Macbeth has a soliloquy where he feel’s he can not kill ling Duncan.

November 2, 2015 at 9:03 pm
Hello Bradley,
Your ability to summarise has shown some development. You are writing clearly an expressing your ideas well.
Targets:
Identify the figurative language in your chosen quotation – how might this enhance the meaning?
Finish off this scene summary to work towards your Soul of Wit badge.
http://achieve.community.edutronic.net/stage-two-reading/soul-of-wit/