As I read Mann in German for the first time, the full achievement - both literary and philosophical - of Death in Venice struck me forcefully, so that, when I was invited to give the Schoff Lectures at Columbia, the opportunity to reflect on the contrasts between novella and opera seemed irresistible.

I use biography, I use literary connections (as with Platen - this seems to me extremely helpful for appreciating the nuances of Mann's and Aschenbach's sexuality), I use philosophical sources (but not in the way many Mann critics do, where the philosophical theses and concepts seem to be counters to be pushed around rather than ideas to be probed), and I use juxtapositions with other literary works (including Mann's other fiction) and with works of music.

In working towards ways of reading Mann, so that his own advances in suggesting new perspectives will become more vivid, I do some fairly standard philosophical analysis of ideas in Nietzsche and Schopenhauer.

I don't think that anything of any consequence is known a priori: all our knowledge is built up by modifying the lore passed on to us by our ancestors in light of our experiences, and the best a philosopher can do is to learn as much about what has been discovered in various empirical fields, and use it to try to craft an improved synthesis.

I was occupied by a range of questions, often different from those fashionable in the professional philosophy of the past half century, that have sometimes troubled philosophers in the past. It's taken me several decades to work out my own philosophical agenda, and it is wide.

The expert is a midwife. The expert is not someone who has the authority to pronounce the last word on the subject.

Sometimes, of course, the artist does give up, saying, in effect, "I've done enough". Prospero declares that the revels are ended, and breaks his staff - his author retires to Stratford. At the very end, Mann did something similar. Interestingly, in both instances, death came quite quickly after that.