Can you advise me on some Guilt quotes in Macbeth?

Here's one:





I am in blood


Stepp'd in so far, that, should I wade no more,


Returning were as tedious as go o'er.


--Macbeth, Act III, scene ivCan you advise me on some Guilt quotes in Macbeth?
Any quote involving blood probably has something to do with guilt since blood symbolizes guilt in Macbeth.Can you advise me on some Guilt quotes in Macbeth?
'Out damned spot, out i say'





Lady Macbeth, Act 5 Scene 1 i think.


Shows how she will never overcome Duncan's death, also could relate to witchcraft etc etc.