Poppers Botschaft ist klar. „Wir können nicht wissen“, sagt er, „wir können nur mutmaßen.“ Da keine wissenschaftliche Theorie endgültig beweibar ist, kommt es darauf an, immer erneut und mit ganzer Kraft zu prüfen, ob akzeptierte Theorien falsch sind, irrig oder widerlegt. Um dies zu tun, müssen wir die Bedingungen rationaler, kritischer Auseinandersetzung aufrechterhalten, unter denen es möglich bleibt, verschiedener Auffassung zu sein. Was für unser Wissen gilt, gilt auch für unser Verhalten und unsere Politik. Da niemand alle Antworten kennt, müssen wir vor allem sicherstellen, daß es möglich bleibt, unterschiedliche Antworten zu geben. [13]
Tag: science
Scientifically planned politics
Das Wichtige am Entwurf einer mittelfristigen Perspektive innerhalb politischer Strukturen ist, daß er formell auf den legitimen Entscheidungsprozeß bezogen sein und zugleich von den Anliegen entfernt sein muß, die den Horizont der Entscheidungsträger begrenzen. Sie muß, mit anderen Worten, eine gesetzliche Grundlage haben, aber unabhängig sein in dem Sinn, daß die Amtszeit der Beteiligten länger ist als die von den Regierungen und Parlamenten. Um das zu erreichen, lassen sich verschiedene Wege denken. Einer ist ein Amt für technologische Bewertung, um einen irreführenden, aber anerkannten Begriff zu verwenden: eine Behörde, in der Sozial- und Naturwissenschaftler regelmäßig die Politik der Regierung angesichts erklärter Ziele und bekannter Entwicklungen überprüfen. „Technologie“ bedeutet in diesem Zusammenhang die Übersetzung von Theorien in Praxis und die Bewertung der Praxis im Licht der Theorie. Möglicherweise könnte eine solche Einrichtung von der Erfahrung des deutschen Sachverständigenrates für die gesamtwirtschaftliche Entwicklung profitieren, dessen Jahresberichte einen erheblichen Einfluß auf die Wirtschaftsentwicklung des Landes haben. Ein gesetzlich verankerter Rat für mittelfristige Planung, der der Regierung jährlich Bericht erstattet, wäre eine Methode, um eine Mehrzahl von Erfahrungen zu verbinden. Auch auf andere Weise ließe sich wohl mit dem gleichen Problem fertigwerden: daß diejenigen, die sich vor der Öffentlichkeit für das verantworten müssen, was sie gestern getan haben und heute tun, nicht vergessen, daß es auch ein Morgen und Übermorgen geben wird. [110-11]
The ‘scientism’ smear
The charge levelled at the New Godless is that, with their rigorous reasoning, testing and experimentation, they are making a religion out of the scientific method. “It’s an all-purpose, wild-card smear,” retorts Dennett. “It’s the last refuge of the sceptic. When someone puts forward a scientific theory that they really don’t like, they just try to discredit it as ‘scientism’. But when it comes to facts, and explanations of facts, science is the only game in town.”
What aims we pursue
What is the characteristic difference between a scientific theory and a work of fiction? It is not, I hold, that the theory is possibly true while the descriptions in the story are not true, although truth and falsity have something to do with it. The difference is, I suggest, is that the theory and the story are embedded in different critical traditions. They are meant to be judged by quite different traditional standards (even though these standards might have something in common.)
What characterizes the theory is that it is offered as a solution to a scientific problem; that is, either a problem that has arisen before, in the critical discussion of earlier tentative theories, or (perhaps) a problem that discovered by the author of the theory now being offered, but being discovered within the realm of the problems and solutions belonging to the scientific tradition. [289]
The production of unanimity
Adaptation to the power of progress furthers the progress of power, constantly renewing the degenerations which prove successful progress, not failed progress, to be its own antithesis. The curse of irresistible progress is irresistible regression.
This regression is not confined to the experience of the sensuous world, an experience tied to physical proximity, but also affects the auto cratic intellect, which detaches itself from sensuous experience in order to subjugate it. The standardization of the intellectual function through which the mastery of the senses is accomplished, the acquiescence of thought to the production of unanimity, implies an impoverishment of thought no less than of experience; the separation of the two realms leaves both damaged. [28]
Encouraging an absolutist cast of mind
In their Dialectics of Enlightenment, the German philosophers Horkheimer and Adorno have argued that it was thus no accident that reason so often went hand-in-glove with ‘absolutism’. For reason and science, far from promoting liberty, encourage an absolutist cast of mind, by assuming an ‘absolute’ distinction between true and false, right and wrong, rather than a pluralist diversity of values. [8]
Nagel’s obviously objective values
Harris has identified a real problem, rooted in the idea that facts are objective and values are subjective.
Harris rejects this facile opposition in the only way it can be rejected—by pointing to evaluative truths so obvious that they need no defense. For example, a world in which everyone was maximally miserable would be worse than a world in which everyone was happy, and it would be wrong to try to move us toward the first world and away from the second. This is not true by definition, but it is obvious, just as it is obvious that elephants are larger than mice. If someone denied the truth of either of those propositions, we would have no reason to take him seriously.
These cases show that the idea of truth applies to values as much as it does to facts—but as with facts, the idea is not limited to obvious cases. There are many questions of value whose answer is not obvious, and about which people disagree, but that does not mean that they do not have a correct answer. As Harris points out, exactly the same can be said of historical and scientific questions: one should not confuse truth with what is known, or agreed on by everyone.
The evolutionary character of social engineering
The political artist clamours, like Archimedes, for a place outside the social world on which he can take his stand, in order to lever it off its hinges. But such a place does not exist; and the social world must continue to function during any reconstruction. This is the simple reason why we must reform its institutions little by little, until we have more experience in social engineering.
This leads us to the more important second point, to the irrationalism which is inherent in radicalism. In all matters, we can only learn by trial and error, by making mistakes and improvements; we can never rely on inspiration, although inspirations may be most valuable as long as they can be checked by experience. [ch. 9, 181]
Piecemeal social experiments
Such arguments in favour of Utopian engineering exhibit a prejudice which is as widely held as it is untenable, namely, the prejudice that social experiments must be on a ‘large scale’, that they must involve the whole of society if they are to be carried out under realistic conditions. But piecemeal social experiments can be carried out under realistic conditions, in the midst of society, in spite of being on a ‘small scale’, that is to say, without revolutionizing the whole of society. In fact, we are making such experiments all the time. The introduction of a new kind of life-insurance, of a new kind of taxation, of a new penal reform, are all social experiments which have their repercussions through the whole of society without remodelling society as a whole. Even a man who opens a new shop, or who reserves a ticket for the theatre, is carrying out a kind of social experiment on a small scale; and all our knowledge of social conditions is based on experience gained by making experiments of this kind. … But the kind of experiment from which we can learn most is the alteration of one social institution at a time. For only in this way can we learn how to fit institutions into the framework of other institutions, and how to adjust them so that they work according to our intentions. And only in this way can we make mistakes, and learn from our mistakes, without risking repercussions of a gravity that must endanger the will to future reforms. … But the piecemeal method permits repeated experiments and continuous readjustments. In fact, it might lead to the happy situation where politicians begin to look out for their own mistakes instead of trying to explain them away and to prove that they have always been right. This—and not Utopian planning or historical prophecy—would mean the introduction of scientific method into politics, since the whole secret of scientific method is a readiness to learn from mistakes. [ch. 9, 176-7]
A state’s liberal responsibilities
I certainly believe that it is the responsibility of the state to see that its citizens are given an education enabling them to participate in the life of the community, and to make use of any opportunity to develop their special interests and gifts; and the state should certainly also see (as Grossman rightly stresses) that the lack of ‘the individual’s capacity to pay’ should not debar him from higher studies. This, I believe, belongs to the state’s protective functions. To say, however, that ‘the future of the state depends on the younger generation, and that it is therefore madness to allow the minds of children to be moulded by individual taste’, appears to me to open wide the door to totalitarianism. State interest must not be lightly invoked to defend measures which may endanger the most precious of all forms of freedom, namely, intellectual freedom. And although I do not advocate ‘laissez faire with regard to teachers and schoolmasters’, I believe that this policy is infinitely superior to an authoritative policy that gives officers of the state full powers to mould minds, and to control the teaching of science, thereby backing the dubious authority of the expert by that of the state, ruining science by the customary practice of teaching it as an authoritative doctrine, and destroying the scientific spirit of inquiry—the spirit of the search for truth, as opposed to the belief in its possession. [ch. 7, 143]
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