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The watchmaker analogy or watchmaker argument is a teleological argument. By way of an analogy, the argument states that design implies a designer. The analogy has played a prominent role in natural theology and the "argument from design," where it was used to support arguments for the existence of God and for the intelligent design of the universe. The most famous statement of the teleological argument using the watchmaker analogy was given by William Paley in his 1802 book Natural Theology or Evidences of the Existence and Attributes of the Deity.
The 1859 publication of Charles Darwin's theory of natural selection put forward an explanation for complexity and adaptation, which reflects scientific consensus on the origins of biological diversity, and provides a counter-argument to the watchmaker analogy: for example, evolutionary biologist Richard Dawkins referred to the analogy in his 1986 book The Blind Watchmaker giving his explanation of evolution. In the 19th century, deists, who championed the watchmaker analogy, held that Darwin's theory fit with "the principle of uniformitarianism—the idea that all processes in the world occur now as they have in the past" and that deistic evolution "provided an explanatory framework for understanding species variation in a mechanical universe."
In the United States, starting in the 1960s, creationists revived versions of the argument to dispute the concepts of evolution and natural selection, and there was renewed interest in the watchmaker argument.
- Argument 1
- Scientific Revolution 2.1
- William Paley 2.2
- Joseph Butler 2.3
- David Hume 3.1
- Charles Darwin 3.2
- Richard Dawkins 3.3
- Faulty analogy 3.4
- Creationist revival 4
- See also 5
- Sources 6.1
- External links 7
- The complex inner workings of a watch necessitate an intelligent designer.
- As with a watch, the complexity of X (a particular organ or organism, the structure of the solar system, life, the universe, anything complex) necessitates a designer.
In this presentation, the watch analogy (step 1) does not function as a premise to an argument — rather it functions as a rhetorical device and a preamble. Its purpose is to establish the plausibility of the general premise: you can tell, simply by looking at something, whether or not it was the product of intelligent design. In most formulations of the argument, the characteristic that indicates intelligent design is left implicit. In some formulations, the characteristic is orderliness or complexity (which is a form of order). In other cases it is clearly being designed for a purpose, where clearly is usually left undefined.
The scientific revolution "nurtured a growing awareness" that "there were universal laws of nature at work that ordered the movement of the world and its parts." James K. A. Smith and Amos Yong write that in "astronomy, the Copernican revolution regarding the heliocentrism of the solar system, Johannes Kepler's (1571–1630) three laws of planetary motion, and Isaac Newton's (1642–1727) law of universal gravitation—laws of gravitation and of motion, and notions of absolute space and time—all combined to establish the regularities of heavenly and earthly bodies." With this backdrop, "deists suggested the watchmaker analogy: just as watches are set in motion by watchmakers, after which they operate according to their pre-established mechanisms, so also was the world begun by the God as creator, after which it and all its parts have operated according to their pre-established natural laws. With these laws perfectly in place, events have unfolded according to the prescribed plan." For Sir Isaac Newton, "the regular motion of the planets made it reasonable to believe in the continued existence of God." Newton also upheld the idea that "like a watchmaker, God was forced to intervene in the universe and tinker with the mechanism from time to time to ensure that it continued operating in good working order." Like Newton, René Descartes viewed "the cosmos as a great time machine operating according to fixed laws, a watch created and wound up by the great watchmaker."
Watches and timepieces have been used as examples of complicated technology in philosophical discussions throughout history. Cicero, Voltaire and René Descartes, for example, used timepieces in arguments regarding purpose. The watchmaker analogy, as described here, was used by Fontenelle in 1686, but was most famously formulated by Paley.
William Paley (1743–1805) used the watchmaker analogy in his book Natural Theology, or Evidences of the Existence and Attributes of the Deity collected from the Appearances of Nature, published in 1802. In it, Paley wrote that if a pocket watch is found on a heath, it is most reasonable to assume that someone dropped it and that it was made by one or more watchmakers, and not by natural forces.
In crossing a heath, suppose I pitched my foot against a stone, and were asked how the stone came to be there; I might possibly answer, that, for anything I knew to the contrary, it had lain there forever: nor would it perhaps be very easy to show the absurdity of this answer. But suppose I had found a watch upon the ground, and it should be inquired how the watch happened to be in that place; I should hardly think of the answer I had before given, that for anything I knew, the watch might have always been there. ... There must have existed, at some time, and at some place or other, an artificer or artificers, who formed [the watch] for the purpose which we find it actually to answer; who comprehended its construction, and designed its use. ... Every indication of contrivance, every manifestation of design, which existed in the watch, exists in the works of nature; with the difference, on the side of nature, of being greater or more, and that in a degree which exceeds all computation.— William Paley, Natural Theology (1802)
Paley went on to argue that the complex structures of living things and the remarkable adaptations of plants and animals required an intelligent designer. He believed the natural world was the creation of God and showed the nature of the creator. According to Paley, God had carefully designed "even the most humble and insignificant organisms" and all of their minute features (such as the wings and antennae of earwigs). He believed therefore that God must care even more for humanity.
Paley recognised that there is great suffering in nature, and that nature appears to be indifferent to pain. His way of reconciling this with his belief in a benevolent God was to assume that life had more pleasure than pain. (See Problem of Evil).
As a side note, a charge of wholesale plagiarism from this book was brought against Paley in The Athenaeum for 1848, but the famous illustration of the watch was not peculiar to Nieuwentyt, and had been used by many others before either Paley or Nieuwentyt.
William Paley taught the works of Joseph Butler and appears to have built on Butler's 1736 design arguments of inferring a designer from evidence of design. E.g., Butler noted: "As the manifold Appearances of Design and of final Causes, in the Constitution of the World, prove it to be the Work of an intelligent Mind ... The appearances of Design and of final Causes in the constitution of nature as really prove this acting agent to be an intelligent Designer... ten thousand Instances of Design, cannot but prove a Designer.".
Hume (1711-1776) offered a number of the most memorable philosophical criticisms to Paley's watch analogy before Darwin's theory of evolution had been discovered. His criticisms can be separated into three major distinctions:
His first objection is that we have no experience of world making. Hume highlighted the fact that everything we claim to know the cause of, we have derived these inductions from previous experiences of similar objects being created, or seen the object itself being created ourselves. For example, with a watch we know it has to be created by a watch-maker because we can observe it being made and compare it to the making of other similar watches or objects to deduce they have alike causes in their creation. However, he argues that we have no experience of the universe's creation, or any other universe's creations to compare our own universe to, and never will therefore it would be illogical to infer that our universe has been created by an intelligent designer in the same way in which a watch has.
The second criticism Hume offers is about the form of the argument as an analogy in itself. An analogical argument claims that, because object X (a watch) is like object Y (the universe) in one respect, they are therefore probably alike in another, hidden, respect (their cause i.e. having to be created by an intelligent designer). He points out that for an argument from analogy to be successful, the two things that are being compared have to have an adequate number of similarities that are relevant to the respect you are analogizing them with. For example, a kitten and a lion may be very similar in many respects, however just because a lion makes a "roar" it would not be correct to infer a kitten also "roars", because the similarities between the two objects are not similar enough and the degree of relevance to what sound they make is not relevant enough. Hume then argues that the universe and a watch also do not have enough relevant or close similarities to infer that they were both created the same way. For example, the universe is made of organic natural material however the watch is made of artificial mechanic materials. He claims that in the same respect, the universe could be argued to be more analogous to something more organic such as a vegetable (in which we can observe for ourselves does not need a 'designer' or a 'watchmaker' to be created). Although he does admit the analogy of a universe to a vegetable seems ridiculous, he says that it is just as ridiculous to analogize the universe with a watch.
The third criticism Hume offers is that even if the argument did give evidence for a designer; it still gives no evidence for the traditional 'omnipotent', 'benevolent' (all-powerful and all-loving) God of traditional Christian theism. One of the main assumptions of Paley's argument is that 'like effects have like causes'; or that machines (e.g. the watch) and the universe have similar features of design, therefore they must both also have the same cause of their existence i.e. they must both have an intelligent designer. However, Hume points out that what Paley does not comprehend is to what extent do these 'like causes' extend; i.e. how similar the creation of a universe is to the creation of a watch. Instead, Paley moves straight to the conclusion that this designer of the universe is the 'God' he believes in - of traditional Christianity. Hume, however takes the idea of 'like causes' and points out some potential absurdities in how far the 'likeness' of these causes could extend to if the argument were taken further as to explain this. One example he uses is how a machine or a watch is usually designed by a whole team of people rather than just one person, therefore surely, if we are analogizing the two in this way, it would point to there being a group of Gods who created the universe not just a single being. Another example he uses is that usually, complex machines are the result of many years of trial and error with every new machine an improved version of the last. Also by analogy of the two, would this not hint that the universe could also have been just one of many of God's 'trials', and that there are much better universes out there? However, if this were taken to be true, surely the 'creator' of it all would not be 'all loving' and 'all powerful' if they had to carry out the process of 'trial and error' when creating the universe?
Hume also points out there is still a possibility that the universe could have been created by random chance but still show evidence of design, given the universe is eternal and would have an infinite amount of time to be able to form a universe so complex and ordered as our own. He called this the 'Epicurean hypothesis'. It argued that when the universe was first created, the universe was random and chaotic but if the universe is eternal, over this unlimited period of time natural forces could have naturally 'evolved' by random particles coming together over time, into the incredibly ordered system we can observe today without the need of an intelligent designer as an explanation.
The last objection he makes draws on the widely-discussed problem of evil. He argues that all the daily unnecessary suffering that goes on everywhere within the world is yet another factor which pulls away from the idea that God is an 'omnipotent' 'benevolent' being.
Charles Darwin's theory provided another explanation for complex artifacts, one where a design is not necessary.
When Charles Darwin (1809–1882) completed his studies of theology at Christ's College, Cambridge in 1831, he read Paley's Natural Theology and believed that the work gave rational proof of the existence of God. This was because living beings showed complexity and were exquisitely fitted to their places in a happy world.
Subsequently, on the voyage of the Beagle, Darwin found that nature was not so beneficent, and the distribution of species did not support ideas of divine creation. In 1838, shortly after his return, Darwin conceived his theory that natural selection, rather than divine design, was the best explanation for gradual change in populations over many generations. He published this theory in On the Origin of Species in 1859, and in later editions noted responses he had received:
It can hardly be supposed that a false theory would explain, in so satisfactory a manner as does the theory of natural selection, the several large classes of facts above specified. It has recently been objected that this is an unsafe method of arguing; but it is a method used in judging of the common events of life, and has often been used by the greatest natural philosophers ... I see no good reason why the views given in this volume should shock the religious feelings of any one. It is satisfactory, as showing how transient such impressions are, to remember that the greatest discovery ever made by man, namely, the law of the attraction of gravity, was also attacked by Leibnitz, "as subversive of natural, and inferentially of revealed, religion." A celebrated author and divine has written to me that "he has gradually learnt to see that it is just as noble a conception of the Deity to believe that He created a few original forms capable of self-development into other and needful forms, as to believe that He required a fresh act of creation to supply the voids caused by the action of His laws."— Charles Darwin, The Origin of Species (1859)
Darwin reviewed the implications of this finding in his autobiography:
Although I did not think much about the existence of a personal God until a considerably later period of my life, I will here give the vague conclusions to which I have been driven. The old argument of design in nature, as given by Paley, which formerly seemed to me so conclusive, fails, now that the law of natural selection has been discovered. We can no longer argue that, for instance, the beautiful hinge of a bivalve shell must have been made by an intelligent being, like the hinge of a door by man. There seems to be no more design in the variability of organic beings and in the action of natural selection, than in the course which the wind blows. Everything in nature is the result of fixed laws.— Charles Darwin, The Autobiography of Charles Darwin 1809–1882. With the original omissions restored.
The idea that nature was governed by laws was already common, and in 1833 William Whewell as a proponent of the natural theology that Paley had inspired had written that "with regard to the material world, we can at least go so far as this—we can perceive that events are brought about not by insulated interpositions of Divine power, exerted in each particular case, but by the establishment of general laws." Darwin, who spoke of these "fixed laws" concurred with Whewell, writing in his second edition of On The Origin of Species:
There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved.— Charles Darwin, The Origin of Species (1860)
By the time Darwin published his theory, liberal theologians were already supporting such ideas, and by the late 19th century their modernist approach was predominant in theology. In science, evolution theory incorporating Darwin's natural selection became completely accepted.
In irreducible complexity In the early 20th century the modernist theology of
Criticisms have found fault in the watch, or the alternative 'eye', analogy. Anthropologists Peter Richerson and Robert Boyd argue that one human could not make a watch on their own and therefore a watch does not have a designer. In Plato and a Platypus Walk Into a Bar, a book which attempts to explain philosophy through jokes, Thomas Wilson Cathcart and Daniel Martin Klein argue against the Watchmaker analogy.
In response to these claims, Nathan Schneider writes that "Paley died decades before The Origin of Species was published, and ever since his views have been so repeatedly set in opposition to Darwin's that Richard Dawkins titled one of his books on evolution The Blind Watchmaker. A closer look at Paley's own thinking reveals, however, a God who works through the laws of nature, not beyond them like the modern ID theorists' designer. Paley had no objection to species changing over time. It's only in today's highly polarized culture-war climate that we don't bother to notice that one of the forefathers of intelligent design theory might have been perfectly comfortable with evolution."
In addition, he argues that the watchmaker's creation of the watch implies that the watchmaker must be more complex than the watch. Design is top-down, someone or something more complex designs something less complex. To follow this line upwards, demands that the watch was designed by a (necessarily more complex) watchmaker, the watchmaker must have been created by a more complex being than himself. So the question becomes: Who designed the designer? Dawkins argues that (a) this line continues ad infinitum, and (b) it does not explain anything. Evolution, on the other hand, takes a bottom-up approach; it explains how more complexity can arise gradually by building on or combining lesser complexity.
In his book, The God Delusion, Dawkins argues that life was the result of complex biological processes. Dawkins makes the argument that the comparison to the lucky construction of a watch is fallacious because proponents of evolution do not consider evolution "lucky"; rather than luck, the evolution of human life is the result of billions of years of natural selection. He therefore concludes that evolution is a fair contestant to replace God in the role of watchmaker.
In a BBC Horizon episode, also entitled The Blind Watchmaker, Dawkins described Paley's argument as being "as mistaken as it is elegant". In both contexts he saw Paley as having made an incorrect proposal as to a certain problem's solution, but did not disrespect him for this. In his essay The big bang, Steven Pinker discussed Dawkins' coverage of Paley's argument, adding: "Biologists today do not disagree with Paley's laying out of the problem. They disagree only with his solution."
 argument, the most notable proponent of which was Michael Behe and, leveraging off the verbiage of information theory, the specified complexity argument, the most notable proponent of which was William Dembski.
The watchmaker analogy was referenced in the 2005 Kitzmiller v. Dover Area School District trial. Throughout the trial, the Reverend William Paley was mentioned several times. The defense's expert witness John Haught noted that both Intelligent Design and the watchmaker analogy are "reformulations" of the same theological argument. On day 21 of the trial, Mr. Harvey walked Dr. Minnich through a modernized version of Paley's argument, substituting a cell phone for the watch. In his ruling, the judge stated that the use of the argument from design by intelligent design proponents "is merely a restatement of the Reverend William Paley's argument applied at the cell level" and that the argument from design is subjective.
- Existence of God
- Cosmological argument
- Genetic algorithm
- God of the Gaps
- Hoyle's fallacy
- Infinite monkey theorem
- Irreducible complexity
- Objections to evolution
- William Paley - William Carey University
- "Such controversies as do exist concern the details of the mechanisms of evolution, not the validity of the over-arching theory of evolution, which is one of the best supported theories in all of science." Science and Creationism: A View from the National Academy of Sciences, Second Edition (1999) United States National Academy of Sciences
- Smith, James K. A. (2010). Science and the Spirit. Indiana University Press. p. 54.
- Garrett, Brian (2007). What is this thing called Metaphysics?. Taylor & Francis. p. 12.
- Dugin, Alexander (2012). The Fourth Political Theory. Arktos. p. 87.
- McMahan, David L. (2008). The Making of Buddhist Modernism. Oxford University Press. p. 79.
- Durant, Will; Durant, Ariel (1935). Will and Ariel Durant, The Age of Louis XIV (1963). Simon and Schuster.
- Joseph Butler. The Analogy of Religion, Natural and Revealed, to the Constitution and Course of Nature, 3rd Ed. London, MDCCXL (1740) pp 65, 158, 424. John and Paul Knapton.
Darwin, C. R. 1859. On the Origin of Species. London: John Murray, p. ii.
Whewell, William, 1833. Astronomy and general physics considered with reference to natural theology. W. Pickering, London, 356
- Nagasawa, Yujin (2011). The Existence of God: A Philosophical Introduction. Taylor & Francis. p. 93.
- Richard Dawkins (1986). The Blind Watchmaker: Why the Evidence of Evolution Reveals a Universe Without Design. W. W. Norton & Company. pp. 43–76.
- 10 Proofs That Will Change How You Think About God by Nathan Schneider. The Huffington Post. June 6, 2013
- Richerson & Boyd 2005, p. 50
- Scott EC, Matzke NJ (May 2007). "Biological design in science classrooms". Proc. Natl. Acad. Sci. U.S.A. 104 (suppl. 1): 8669–76.
- Kitzmiller v. Dover Area School District Day 1 PM session
- Kitzmiller v. Dover Area School District Day 5 PM session
- Kitzmiller v. Dover Area School District Day 21 AM session
- Ruling, Whether ID Is Science, page 79 Kitzmiller v. Dover Area School District 2005
- "It is readily apparent to the Court that the only attribute of design that biological systems appear to share with human artifacts is their complex appearance, i.e., if it looks complex or designed, it must have been designed. (23:73 (Behe)). This inference to design based upon the appearance of a "purposeful arrangement of parts" is a completely subjective proposition, determined in the eye of each beholder and his/her viewpoint concerning the complexity of a system." Ruling, Whether ID Is Science, page 81
- Paley, William (1802). Natural Theology, Or, Evidences of the Existence and Attributes of the Deity. Collected from the Appearances of Nature. Philadelphia: John Morgan.
- Richerson, Peter J.; Boyd, Robert (2005). Not by Genes Alone: How Culture Transformed Human Evolution. University of Chicago Press.
- The Divine Watchmaker
- Robert Hooke
- William Paley (1743–1805)
- The Autobiography of Charles Darwin, revised version published in 1958 by Darwin's granddaughter Nora Barlow.
- Recapitulation and Conclusion", By Charles Darwin.
- Chaos in the Solar System, by J Laskar
- The Watchmaker Analogy Animated and Dramatically Read