What holds an Arab leader in power is a mixture of violence and prestige. Both President Assad and King Hussein were felt to have defended Arab interests against the world. That, in the end, is more important than what they wear on their head.

A century ago, petroleum - what we call oil - was just an obscure commodity; today it is almost as vital to human existence as water.

The world survived the fall of the Roman empire and will no doubt outlast our own so much more splendid civilisation.

To make a love story, you need a couple of young people, but to reflect on the nature of love, you're better off with old ones. That is a fact of life and literature - and of the novel ever since it fell in love with love in the 18th century.

Up until the Depression, recession had a moral character: it was supposed to purge the body economic of the greed and excess that attends a business expansion.

Soaring prices for crude oil, falling production surpluses, wild speculation in commodities, a rush into the precious metals, turmoil in the Middle East, assertive oil producers: it is 1973-74 all over again, and at dictation speed.

Nature is not simply a technical or economical resource, and human beings are not mere numbers. To suggest that one can somehow align all the squabbling institutions of science, environmental management, government and diplomacy in an alliance of convenience to regulate the global climate seems to me optimistic.