From a Darwinian point of view, human beliefs are adaptations to our part of the world. No doubt much of what we believe must be roughly accurate, or else we would not have survived. But the beliefs we have evolved might latch on to the world only enough to help us stumble our way through it, and then only for the time being. Human belief-systems could be useful illusions, appearing and disappearing as they prove to be more or less advantageous in the random walk of natural selection. Might not evolution be one of these illusions? Scientific naturalism is the theory that human beliefs are evolutionary adaptations whose survival has nothing to do with their truth. But in that case scientific naturalism is self-defeating, since on its own premises scientific theories cannot be known to be true.

The core of the belief in progress is that human values and goals converge in parallel with our increasing knowledge. The twentieth century shows the contrary. Human beings use the power of scientific knowledge to assert and defend the values and goals they already have. New technologies can be used to alleviate suffering and enhance freedom. They can, and will, also be used to wage war and strengthen tyranny. Science made possible the technologies that powered the industrial revolution. In the twentieth century, these technologies were used to implement state terror and genocide on an unprecedented scale. Ethics and politics do not advance in line with the growth of knowledge — not even in the long run.

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Not everything in religion is precious or deserving of reverence. There is an inheritance of anthropocentrism, the ugly fantasy that the Earth exists to serve humans, which most secular humanists share. There is the claim of religious authorities, also made by atheist regimes, to decide how people can express their sexuality, control their fertility and end their lives, which should be rejected categorically. Nobody should be allowed to curtail freedom in these ways, and no religion has the right to break the peace.

The irony of scientific progress is that in solving human problems it creates problems that are not humanly soluble. Science has given humans a kind of power over the natural world achieved by no other animal. It has not given humans the ability to remodel the planet according to their wishes. The Earth is not a clock that can be wound up and stopped at will. A living system, the planet will surely rebalance itself. It will do so, however, without any regard for humans.

Throughout the years in which the US was punishing countries that departed from fiscal prudence, it was borrowing on a colossal scale to finance tax cuts and fund its over-stretched military commitments. Now, with federal finances critically dependent on continuing large inflows of foreign capital, it will be the countries that spurned the American model of capitalism that will shape America's economic future.

Nothing carries so much authority today as science, but there is actually no such thing as ‘the scientific world-view’. Science is a method of inquiry, not a view of the world. Knowledge is growing at accelerating speed; but no advance in science will tell us whether materialism is true or false, or whether humans possess free will. The belief that the world is composed of matter is metaphysical speculation, not a testable theory. Science may succeed in explaining events in terms of causes and effects. In some accounts it may be able to formulate laws of nature. But what does it mean for something to cause something else and what is a law of nature? These are questions for philosophy or religion, not for science.

When closed societies collapse but fail to make the transition to openness the reason need not be that they languish in anarchy or suffer a return to dictatorship. It may be that they adopt an illiberal form of democracy. Along with the liberal democratic tradition that goes back to Locke and the English civil war there is a tradition, originating in the French Revolution and formulated theoretically by Rousseau, which understands democracy as the expression of popular will. The elective theocracy that is emerging in much of post-Saddam Iraq is a democratic polity in the latter sense, as is the current regime in Iran; so is the Hamas government in Palestine... To be sure, these regimes often lack freedom of information and expression and legal limitations on government power, which are essential features of democracy in the liberal tradition. In these respects they are closed societies, but they are not dictatorships. It is often forgotten that democracy, defined chiefly by elections and the exercise of power in the name of the majority, can be as repressive of individual freedom and minority rights as dictatorship - sometimes more so.

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The populist rant about greedy banks that is being loudly ventilated in Congress is a distraction from the true causes of the crisis. The dire condition of America's financial markets is the result of American banks operating in a free-for-all environment that these same American legislators created. It is America's political class that, by embracing the dangerously simplistic ideology of deregulation, has responsibility for the present mess.

Human knowledge increases, while human irrationality stays the same. Scientific inquiry may be an embodiment of reason, but what such inquiry demonstrates is that humans are not rational animals. The fact that humanists refuse to accept the demonstration only confirms its truth.

Today those who peer into the future want only relief from anxiety. Unable to face the prospect that the cycles of war will continue, they are desperate to find a pattern of improvement in history. It is only natural that believers in reason, lacking any deeper faith and too feeble to tolerate doubt, should turn to the sorcery of numbers. Happily there are some who are ready to assist them. Just as the Elizabethan magus transcribed tables shown to him by angels, the modern scientific scryer deciphers numerical auguries of angels hidden in ourselves.

Terror is not now, if it ever was, something that comes to us from outside. It is a part of the society in which we live. Both liberals and neoconservatives believe terrorism can be dealt with by removing its causes. The truth is less reassuring. Al-Qaeda has mutated into a decentralised, often locally based type of apocalyptic terrorism and, in this new guise, seems to be acquiring a formidable momentum.

With new technologies of surveillance, economies of scale overcome problems of cost. Since all their electronic communications can be accessed, it is no longer necessary to segregate the inmates from one another. As there is no outside world, escape becomes unimaginable. Technological progress has brought into being a system of surveillance more far-reaching than any Bentham could have conceived. Enclosing the entire population in a virtual Panopticon might seem the ultimate invasion of freedom. But universal confinement need not be experienced as a privation. If they know nothing else, most are likely to accept it as normal. If the technology through which surveillance operates also provides continuous entertainment, they may soon find any other way of living intolerable.