Macbeth Quotes Act III

“Upon my head they placed a fruitless crown, and put a barren scepter in my gripe, Thence to be wrenched from an unlineal hand, No son of mine succeeding.” Macbeth- the witches gave him a worthless title of King as long as Banquo and Fleance live.
“Thou hast it now—King, Cawdor, Glamis, all, As the Weird Women promised, and, I fear, thou play’dst most foully for’t.” Banquo- he is beginning to suspect that Macbeth had a hand in the death of King Duncan.
“Be innocent of the knowledge, dearest chuck, Till thou applaud the deed. Come, seeling night, Scarf up the tender eye of the pitiful day, And with thy bloody and invisible hand Cancel and tear to pieces that great bond Which keeps me pale! Light thickens, and the crow makes wing to th’ rooky wood.” Macbeth- Macbeth is telling Lady Macbeth to relax, and not worry about what is plans are for Banquo and Fleance.
“O, full of scorpions is my mind, dear wife! Thou know’st that Banquo, and his Fleance, lives. Macbeth- he is severely stressed about everything that has transpired, as well as what is about to happen.
“I am in blood Stepped in so far that, should I wade no more, Returning were as tedious as go o’er.” Macbeth- he is telling his wife that he has morally gone too far to turn around and regret his past sins.