~Guildenstern: I think I have it. A man talking sense to himself is no madder than a man talking nonsense not to himself.
~Rosencrantz: Or just as mad.
~Guildenstern: Or just as mad.
~Rosencrantz: And he does both.
~Guildenstern: So there you are.
~Rosencrantz: Stark raving sane.