Hamlet: Now might I do it pat, now he is praying,And now I'll do 't. [He draws his sword.] And so he goes to heaven,And so am I revenged. That would be scanned:A villain kills my father, and for that,I, his sole son, do this same villain send To heaven. Hamlet walks up to his fathers grave when he sees someone in their already. This person ends up being Claudius. He is obviously distraught over the play that was just performed. Hamlet at first wants to kill him right there. But then he remembers that if you kill someone while the're praying, they are guaranteed to go to heaven.