HAMLET: Oh, wonderful!
HORATIO: Tell us, my good lord.
HAMLET: No, you will reveal it.
HORATIO: Not I, my lord! By heaven.
MARCELLUS: Nor I, my lord.
HAMLET: Do you swear you can keep this secret? Will you say it?
MARCELLUS AND HORATIO: Ay, by heaven, my lord.
HAMLET: ...All villains dwelling in Denmark are knaves!
HORATIO: There’s no need for a ghost from the grave to tell us this.
HAMLET: Why, you are absolutely right!