Suicidal violence is not the exclusive property of the Muslim world. Suicide bombings were a tactic of nationalist struggles in 19th-century Europe and Russia, the far east during the second world war and the Vietnam war, and in modern Sri Lanka.

If good history is dispassionate history, it must naturally wait until the passions of the period subside.

Saudi Arabia operates according to the belief that God made young men and women so utterly and completely without self-control that they must be physically segregated every moment of the day and night.

Of all the failed technologies that litter the onward march of science - steam carriages, zeppelins, armoured trains - none has been so catastrophic to prosperity as the last century's attempt to generate electricity from nuclear fission.

There are signs that the age of petroleum has passed its zenith. Adjusted for inflation, a barrel of crude oil now sells for three times its long-run average. The large western oil companies, which cartellised the industry for much of the 20th century, are now selling more oil than they find, and are thus in the throes of liquidation.

Governments of rich countries spend some $6bn of tax money a year on disaster relief and development aid overseas, while each new earthquake, famine or tidal wave can attract 1,000 aid organisations, from the United Nations Children's Fund and Oxfam to the 'Jesus Brigades' of the American south and other charitable adventurers.

It is time to end the western policy of malign neglect. It is in the interest of the whole world to help tackle the actual grievances in Palestine, Kashmir, and in central and southern Iraq, and to help the region out of its economic backwardness.