‘If you were faced, Georges,’ said Poirot, ‘with the necessity of conducting investigations in five different parts of the globe, how would you set about it?’ ‘Well, sir, air travel is very quick, though some say as it upsets the stomach. I couldn’t say myself.’ ‘One asks oneself,’ said Hercule Poirot, ‘what would Hercules have done?’ ‘You mean the bicycle chap, sir?’ ‘Or,’ pursued Hercule Poirot, ‘one simply asks, what did he do? And the answer, Georges, is that he travelled energetically. But he was forced in the end to obtain information–as some say–from Prometheus–others from Nereus.’
