"Gather / So much as from one occasion you may glean" (II.ii.15-16)
"His father's death and our (o'erhasty) marriage" (II.ii.60)
"Be you and I behind an arras then. / Mark the encounter. If he love her not, / And be not from his reason fall'n thereon / Let me be no assistant for a state," (II.ii.176-180)
Claudius asks Rosencrantz and Guildenstern to figure out what is going on with Hamlet.
"You know sometimes he walks four hours together / Here in the lobby" (II.ii.173-174)
Claudius and Gertrude converse about why Hamlet has been acting up, the Queen suggest it is due to her hasty marriage.
"I will tell you why; so shall my anticipation / prevent your discovery, and your secrecy to the King and Queen molt no feather" (II.ii.316-318)
Polonius thinks Hamlet has gone crazy because of Ophelia's rejection and creates a scheme with Claudius to watch the interaction between Hamlet and Ophelia.
"Nay, their endeavor keeps in the wont- / ed pace. But there is, sir, an aerie of children, little / eyases, that cry out on the top of question and are / most tyrannically clapped for't" (II.ii.361-364)
Claudius, Gertrude, and Polonius plan how to get Hamlet to talk and express how he is feeling in order to decipher his feelings towards Ophelia.
Rosencrantz and Guildenstern enter to talk to Hamlet and Hamlet questions why they are there.
Actors, or players, are traveling in from the city to entertain as they are experiencing less success now that there are children also performing.