Related:

• Infirm of purpose! -- William Shakespeare (1564-1616), Macbeth -- Act ii, Sc. 2
• Nothing is But what is not. -- William Shakespeare (1564-1616), Macbeth -- Act i, Sc. 3
• Hang out our banners on the outward walls; The cry is still, "They come!
  our castle's strength Will laugh a siege to scorn....
• I had most need of blessing, and "Amen" Stuck in my throat.
  -- William Shakespeare (1564-1616), Macbeth -- Act ii, Sc. 2...
• A deed of dreadful note. -- William Shakespeare (1564-1616), Macbeth -- Act iii, Sc. 2
• In them Nature's copy 's not eterne. -- William Shakespeare (1564-1616), Macbeth -- Act iii, Sc.
  2...
• The attempt and not the deed Confounds us. -- William Shakespeare (1564-1616), Macbeth -- Act ii, Sc.
  2...
• Be innocent of the knowledge, dearest chuck, Till thou applaud the deed.
  -- William Shakespeare (1564-1616), Macbeth -- Act iii, Sc. 2...
• Things bad begun make strong themselves by ill. -- William Shakespeare (1564-1616), Macbeth -- Act iii, Sc.
  2...