Read the excerpt from act 1, scene 3, of The Tragedy of Macbeth.Macbeth. [Aside.] Glamis, and Thane of Cawdor: The greatest is behind. [To ROSS and ANGUS.] Thanks for your pains.[To BANQUO.] Do you not hope your children shall be kings, When those that gave the Thane of Cawdor to me Promis’d no less to them?