Jean-Claude Juncker, president of the EU Commission, made a typically brilliant intervention in the EU referendum debate by arguing that ‘Whoever does not believe in Europe, who doubts Europe, whoever despairs of Europe, should visit the military cemeteries in Europe.’

Cicero made just this point to his brother Quintus, who in 59 bc was about to embark on his third term as governor of Asia Minor (now western Turkey): ‘Asia ought to remember that, if she were not governed by us, she would hardly have been spared the disasters of external war or internal discord.