The benefits of a classical education have long been downplayed, but it seems in some exalted circles that knowing your Octavians from your Antonys can still come in handy when making tough decisions.

Court of Appeal judge Lord Justice Longmore evoked the thinking of the Roman emperor and committed republican Tiberius recently in judging whether the Expert Witness Institute was a non-profit making organisation with aims of a civic nature – and therefore exempt under European law from paying VAT – or not.