I’m a man of a certain age and, like many students in the 1970s, I adored the zany, intellectual comedy of Monty Python. That’s why whenever I hear or think of the name Aristotle, like one of Pavlov’s dogs, I instantly add: ‘was a bugger for the bottle’.

It’s a line from The Philosophers’ Song, a gloriously silly pub singalong that managed to name-check most of Western philosophy between rounds of beer.