The Scotsman - Politics - Citizen Kane has the oath on hand

Frances Curran, another of Tommy's Trots, said democrats should not be forced to swear allegiance to unelected monarchs. Then she mumbled the oath so inaudibly that she might have been saying, "I'm a pink toothbrush, you're a blue toothbrush."

...But the show belonged to the Socialists. They’ll get panned, of course, but they won’t care.

And neither will your sketch-writer. The shock on the faces of the Establishment-minded was a joy to behold: "What, people with principles! How dare they! So childish!" The same folk who complained about the place being boring were now complaining that it had become interesting.