Few people in contemporary art demonstrate much curiosity. The majority spend their days blathering on, rather than trying to work out why one artist is more interesting than another, or why one picture works and another doesn't.

I don't buy art in order to leave a mark or to be remembered; clutching at immortality is of zero interest to anyone sane.

There are no rules about investment. Sharks can be good. Artist's dung can be good. Oil on canvas can be good.

If you study a great work of art, you'll probably find the artist was a kind of genius. And geniuses are different to you and me. So let's have no talk of temperamental, self-absorbed and petulant babies. Being a good artist is the toughest job you could pick, and you have to be a little nuts to take it on. I love them all.

Many people cycle or swim to keep trim. But if swimming is so good for the figure, how do you explain whales?

If I stop being on good behaviour for a moment, my dark little secret is that I don't actually believe many people in the art world have much feeling for art and simply cannot tell a good artist from a weak one, until the artist has enjoyed the validation of others - a received pronunciation.

I may not be much good at most things, but if I didnt have the pleasure of planning and installing shows, and doing it better than anyone else, I would have stopped buying art many years ago.