court sensation. A villain in a play can never be anything more than a diabolus ex machina, possibly a more exciting expedient than a deus ex machina, but both equally mechanical, and therefore interesting only as mechanism. It is, I repeat, what normally innocent people do that concerns us; and if Joan had not been burnt by normally innocent people in the energy of their righteousness her death at their hands would have no more significance than the Tokyo earthquake, which burnt a great many maidens.