Its obvious nonsense, but it makes nice people feel good about themselves to do their bit for the planet. Its vanity of a grotesque kind to believe that mankind, and our carbon footprint, has more impact on the future of Earth than Nature, which bends our planet to its will, as it sees fit.

The art critics on some of Britain's newspapers could as easily have been assigned gardening or travel, and been cheerfully employed for life.

By and large, talent is in such short supply that mediocrity can be taken for brilliance rather more than genius can go undiscovered.

Its obvious nonsense, but it makes nice people feel good about themselves to do their bit for the planet. Its vanity of a grotesque kind to believe that mankind, and our carbon footprint, has more impact on the future of Earth than Nature, which bends our planet to its will, as it sees fit.

Nobody can give you advice after you've been collecting for a while. If you don't enjoy making your own decisions, you're never going to be much of a collector anyway.

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

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.