Profits in business always depend on the rate of interest: the higher the interest, the higher the rate of profit required.

For 50 years, nuclear power stations have produced three products which only a lunatic could want: bomb-explosive plutonium, lethal radioactive waste and electricity so dear it has to be heavily subsidised. They leave to future generations the task, and most of the cost, of making safe sites that have been polluted half-way to eternity.

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.

There are about 15 million Muslims in the EU. They face ignorance, insult and even persecution. They cannot be wished away. To impose Enlightenment freedoms is self-defeating. Anyway, the Muslims have their own enlightenment.

Financial crises are like fireworks: they illuminate the sky even as they go pop.

For all their current prestige, Osama bin Laden and the suicide bombers are still regarded in all but the most desperate districts of Gaza or Peshawar as romantics with little chance of more than symbolic victories, however bloody and brutal. That gives both the Middle East and the West a small and distant hope of security.

In rising financial markets, the world is forever new. The bull or optimist has no eyes for past or present, but only for the future, where streams of revenue play in his imagination.