Who said it, and what is he/she talking about?

1. "I see thee still;
   And on they blade and dudgeon gouts of blood
   Which was not so before."
   Answer

2. "Had he not resembled
   My father as he slept, I had done 't."
   Answer

3. "A little water clears us of this deed: How easy it is then!"
   Answer

4. "Most sacrilegious murder hath broke ope
   The Lord's anointed temple, and stole hence
   The life o' th' building."
   Answer

5. "O, yet I do repent me of my fury
   That I did kill them."
   Answer

6. "To Ireland, I; our separated fortune
   Shall keep us both the safer."
   Answer