Most students of literature can pick apart a metaphor or spot an ethnic stereotype, but not many of them can say things like: 'The poem's sardonic tone is curiously at odds with its plodding syntax.

It is easy to see why a diversity of cultures should confront power with a problem. If culture is about plurality, power is about unity. How can it sell itself simultaneously to a whole range of life forms without being fatally diluted?

We face a conflict between civilisation and culture, which used to be on the same side. Civilisation means rational reflection, material wellbeing, individual autonomy and ironic self-doubt; culture means a form of life that is customary, collective, passionate, spontaneous, unreflective and arational.

The most common mistake students of literature make is to go straight for what the poem or novel says, setting aside the way that it says it. To read like this is to set aside the ‘literariness’ of the work – the fact that it is a poem or play or novel, rather than an account of the incidence of soil erosion in Nebraska.

Poetry is the most subtle of the literary arts, and students grow more ingenious by the year at avoiding it. If they can nip around Milton, duck under Blake and collapse gratefully into the arms of Jane Austen, a lot of them will.

It is true that some liberals and humanists, along with the laid-back Danes, deny the existence of evil. This is largely because they regard the word 'evil' as a device for demonising those who are really nothing more than socially unfortunate.

You've got to have a sense of different audiences. I'm a kind of performer manque - I come from a long line of failed actors!