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Thomas Reid
FRSE
Thomas Reid FRSE
	Reid as painted by Henry Raeburn in 1796
Born	26 April 1710; Strachan, Scotland
Died	7 October 1796 (aged 86); Glasgow, Scotland
Nationality	Scottish
Alma mater	University of Aberdeen
Era	18th-century philosophy
Region	Western philosophy
School	Scottish common sense realism ; Scottish Enlightenment ; Epistemological externalism ; Direct realism ; Foundationalism ; Correspondence theory of truth
Institutions	University of Glasgow
Main interests	Metaphysics; Epistemology; Philosophy of perception; Ethics; Theory of action; Natural theology; Aesthetics;
Notable ideas	Direct realism; Epistemological externalism; Sensation–perception distinction; Agent causality;

Thomas Reid FRSE (/riːd/; 7 May (O.S. 26 April) 1710^[6] – 7 October 1796) was a religiously trained Scottish philosopher best known for his philosophical method, his theory of perception, and its wide implications on epistemology, and as the developer and defender of an agent-causal theory of free will. He also focused extensively on ethics, theory of action, language and philosophy of mind.

He was the founder of the Scottish School of Common Sense and played an integral role in the Scottish Enlightenment. In 1783 he was a joint founder of the Royal Society of Edinburgh. A contemporary of David Hume, Reid was also "Hume's earliest and fiercest critic".^[7]

Life

Reid was born in the manse at Strachan, Aberdeenshire, on 26 April 1710,^[6] the son of Lewis Reid (1676–1762) and his wife Margaret Gregory, first cousin to James Gregory. He was educated at Kincardine Parish School then the O'Neil Grammar School in Kincardine.^[8]

He went to the University of Aberdeen in 1723 and graduated MA in 1726. He was licensed to preach by the Church of Scotland in 1731 when he came of age. He began his career as a minister of the Church of Scotland but ceased to be a minister when he was given a professorship at King's College, Aberdeen, in 1752. He obtained his doctorate and wrote An Inquiry Into the Human Mind on the Principles of Common Sense (published in 1764). He and his colleagues founded the 'Aberdeen Philosophical Society, popularly known as the 'Wise Club' (a literary-philosophical association).^[9] Shortly after the publication of his first book, he was given the prestigious Professorship of Moral Philosophy at the University of Glasgow when he was called to replace Adam Smith. He resigned from this position in 1781, after which he prepared his university lectures for publication in two books: Essays on the Intellectual Powers of Man (1785) and Essays on the Active Powers of the Human Mind (1788). However, in 1787 he is still listed as "Professor of Moral Philosophy" at the university, but his classes were being taught by Archibald Arthur.^[10]

In 1740 Thomas Reid married his cousin Elizabeth, daughter of the London physician George Reid. His wife and "numerous" children predeceased him, except for a daughter who married Patrick Carmichael.^[11] Reid died of palsy, in Glasgow. He was buried at Blackfriars Church in the grounds of Glasgow College and when the university moved to Gilmorehill in the west of Glasgow, his tombstone was inserted in the main building.

Philosophical work

Overview

Reid believed that common sense (in a special philosophical sense of sensus communis) is, or at least should be, at the foundation of all philosophical inquiry.^[12] He disagreed with Hume, who asserted that we can never know what an external world consists of as our knowledge is limited to the ideas in the mind, and George Berkeley, who asserted that the external world is merely ideas in the mind. By contrast, Reid claimed that the foundations upon which our sensus communis are built justify our belief that there is an external world.

In his day and for some years into the 19th century, he was regarded as more important than Hume.^[13] He advocated direct realism, or common sense realism, and argued strongly against the Theory of Ideas advocated by John Locke, René Descartes, and (in varying forms) nearly all Early Modern philosophers who came after them. He had a great admiration for Hume and had a mutual friend send Hume an early manuscript of Reid's Inquiry. Hume responded that the work "is wrote in a lively entertaining manner," although he found "there seems to be some Defect in Method", and he criticized Reid's doctrine for implying the presence of innate ideas. (pp. 256–257)^[14]

Thomas Reid's theory of common sense

Reid's theory of knowledge had a strong influence on his theory of morals. He thought epistemology was an introductory part to practical ethics: When we are confirmed in our common beliefs by philosophy, all we have to do is to act according to them, because we know what is right. His moral philosophy is reminiscent of Roman stoicism in its emphasis on the agency of the subject and self-control. He often quotes Cicero, from whom he adopted the term "sensus communis". Reid's answer to Hume's sceptical and naturalist arguments was to enumerate a set of principles of common sense (sensus communis) which constitute the foundations of rational thought. Anyone who undertakes a philosophical argument, for example, must implicitly presuppose certain beliefs like, "I am talking to a real person," and "There is an external world whose laws do not change," among many other positive, substantive claims. For Reid, the belief in the truth of these principles is not rational; rather, reason itself demands these principles as prerequisites, as does the innate "constitution" of the human mind. It is for this reason (and possibly a mocking attitude toward Hume and Berkeley) that Reid sees belief in the principles of common sense as a litmus test for sanity. For example, in The Intellectual Powers of Man he states, "For, before men can reason together, they must agree in first principles; and it is impossible to reason with a man who has no principles in common with you." One of the first principles he goes on to list is that "qualities must necessarily be in something that is figured, coloured, hard or soft, that moves or resists. It is not to these qualities, but to that which is the subject of them, that we give the name body. If any man should think fit to deny that these things are qualities, or that they require any subject, I leave him to enjoy his opinion as a man who denies first principles, and is not fit to be reasoned with."

Reid also made positive arguments based in phenomenological insight to put forth a novel mixture of direct realism and ordinary language philosophy. In a typical passage in The Intellectual Powers of Man he asserts that when he has a conception of a centaur, the thing he conceives is an animal, and no idea is an animal; therefore, the thing he conceives is not an idea, but a centaur. This point relies both on an account of the subjective experience of conceiving an object and also on an account of what we mean when we use words. Because Reid saw his philosophy as publicly accessible knowledge, available both through introspection and through the proper understanding of how language is used, he saw it as the philosophy of common sense.

Exploring sense and language

Reid started out with a 'common sense' based on a direct experience of an external reality but then proceeded to explore in two directions—external to the senses, and internal to human language—to account more effectively for the role of rationality.

Reid saw language as based on an innate capacity pre-dating human consciousness, and acting as an instrument for that consciousness. (In Reid's terms: it is an 'artificial' instrument based on a 'natural' capacity.) On this view, language becomes a means of examining the original form of human cognition. Reid notes that current human language contains two distinct elements: first, the acoustic element, the sounds; and secondly the meanings—which seem to have nothing to do with the sounds as such. This state of the language, which he calls 'artificial', cannot be the primeval one, which he terms 'natural', wherein sound was not an abstract sign, but a concrete gesture or natural sign. Reid looks to the way a child learns language, by imitating sounds, becoming aware of them long before it understands the meaning accorded to the various groups of sounds in the artificial state of contemporary adult speech. If, says Reid, the child needed to understand immediately the conceptual content of the words it hears, it would never learn to speak at all. Here Reid distinguishes between natural and artificial signs:

"It is by natural signs chiefly that we give force and energy to language; and the less language has of them, it is the less expressive and persuasive. ... Artificial signs signify, but they do not express; they speak to the intellect, as algebraic characters may do, but the passions and the affections and the will hear them not: these continue dormant and inactive, till we speak to them in the language of nature, to which they are all attention and obedience." (p. 52)^[14]

His external exploration, regarding the senses, led Reid to his critical distinction between 'sensation' and 'perception'. While we become aware of an object through the senses, the content of that perception is not identical with the sum total of the sensations caused in our consciousness. Thus, while we tend to focus on the object perceived, we pay no attention to the process leading from sensation to perception, which contains the knowledge of the thing as real. How, then, do we receive the conviction of the latter's existence? Reid's answer is, by entering into an immediate intuitive relationship with it, as a child does. In the case of the adult, the focus is on perceiving, but with the child, it is on receiving of the sensations in their living nature. For Reid, the perception of the child is different from the adult, and he states that man must become like a child to get past the artificial perception of the adult, which leads to Hume's view that what we perceive is an illusion. Also, the artist provides a key to the true content of sense experience, as he engages the 'language of nature':

"It were easy to show, that the fine arts of the musician, the painter, the actor, and the orator, so far as they are expressive .. are nothing else but the language of nature, which we brought into the world with us, but have unlearned by disuse and so find the greatest difficulty in recovering it." (p. 53)^[14]

"That without a natural knowledge of the connection between these [natural] signs and the things signified by them, the language could never have been invented and established among men; and, That the fine arts are all founded upon this connection, which we may call the natural language of mankind." (p. 59)^[14]

Thus, for Reid, common sense was based on the innate capacity of man in an earlier epoch to directly participate in nature, and one we find to some extent in the child and artist, but one that from a philosophical and scientific perspective, we must re-awaken at a higher level in the human mind above nature. Why does Reid believe that perception is the way to recognize? Well, to him "an experience is purely subjective and purely negative. It supports the validity of a proposition, only on the fact that I find that it is impossible for me not to hold it for true, to suppose it therefore not true" (Reid, 753). To understand this better, it is important to know that Reid divides his definition of perception into two categories: conception, and belief. "Conception is Reid's way of saying to visualize an object, so then we can affirm or deny qualities about that thing. Reid believes that beliefs are our direct thoughts of an object, and what that object is" (Buras, The Functions of Sensations to Reid). So, to Reid, what we see, what we visualize, what we believe of an object, is that object's true reality. Reid believes in direct objectivity, our senses guide us to what is right since we cannot trust our own thoughts. "The worlds of common sense and of philosophy are reciprocally the converse of each other" (Reid, 841). Reid believes that Philosophy overcomplicates the question of what is real. So, what does Common Sense actually mean then? Well, "common sense is the senses being pulled all together to form one idea" (Cambridge Companion to Thomas Reid, 164). Common sense (all the senses combined) is how we truly identify the reality of an object; since all that can be perceived about an object, are all pulled into one perception. How do people reach the point of accessing common sense? That's the trick, everyone is born with the ability to access common sense, that is why it is called common sense. "The principles of common sense are common to all of humanity," (Nichols, Ryan, Yaffe, and Gideon, Thomas Reid).

Common sense works as such: If all men observe an item and believe the same qualities about that item, then the knowledge of that item is universally true. It is common knowledge, which without explanation is held true by other people; so, what is universally seen is universally believed. "The real, then, is that which, sooner or later, information and reasoning would finally result in, and which is therefore independent of the vagaries of me and you. Thus, the very origin of the conception of reality shows that this conception essentially involves the notion of a community, without definite limits, and capable of a definite increase of knowledge," (Reid, 155). The combination of the same ideas, of a thing, by multiple people, is what confirms the reality of an object. Reid also believes that the philosophers of his time exaggerated what is truly real. Where most philosophers believe that what we see is not fully what that thing is, for example, Descartes, Reid counters this argument simply by stating that "such a hypothesis is no more likely to be true than the common-sensical belief that the world is much the way we perceive it to be," (Nichols, Ryan, Yaffe, and Gideon, Thomas Reid). Reality is what we make it out to be, nothing more.

Reid also claimed that this discovery of the link between the natural sign and the thing signified was the basis of natural philosophy and science, as proposed by Bacon in his radical method of discovery of the innate laws of nature:

The great Lord Verulam had a perfect comprehension of this, when he called it an interpretation of nature. No man ever more distinctly understood, or happily expressed the nature and foundation of the philosophic art. What is all we know of mechanics, astronomy, and optics, but connections established by nature and discovered by experience or observation, and consequences deduced from them? (..) What we commonly call natural causes might, with more propriety, be called natural signs, and what we call effects, the things signified. The causes have no proper efficiency or causality, as far as we know; and all we can certainly affirm, is, that nature hath established a constant conjunction between them and the things called their effects; (..). (p. 59)^[14]

Influences

It has been claimed that Reid's reputation waned after attacks on the Scottish School of Common Sense by Immanuel Kant (although Kant, only 14 years Reid's junior, also bestowed much praise on Scottish philosophy—Kant attacked the work of Reid, but admitted he had never actually read his works) and by John Stuart Mill. But Reid's was the philosophy taught in the colleges of North America during the 19th century and was championed by Victor Cousin, a French philosopher. Justus Buchler has shown that Reid was an important influence on the American philosopher Charles Sanders Peirce, who shared Reid's concern to revalue common sense and whose work links Reid to pragmatism. To Peirce, conceptions of truth and the real involve the notion of a community without definite limits (and thus potentially self-correcting as far as needed), and capable of a definite increase of knowledge.^[15] Common sense is socially evolved, open to verification much like scientific method, and constantly evolving, as evidence, perception, and practice warrant, albeit with a slowness that Peirce came only in later years to see, at which point he owned his "adhesion, under inevitable modification, to the opinion of...Thomas Reid, in the matter of Common Sense".^[16] (Peirce called his version "critical common-sensism"). By contrast, on Reid's concept, the sensus communis is not a social evolutionary product but rather a precondition of the possibility that humans could reason with each other. The work of Thomas Reid influenced the work of Noah Porter and James McCosh in the 19th century United States and is based upon the claim of universal principles of objective truth. Pragmatism is not the development of the work of the Scottish "Common Sense" School—it is the negation of it. There are clear links between the work of the Scottish Common Sense School and the work of the Oxford Realist philosophers Harold Prichard and Sir William David Ross in the 20th century.

Reid's reputation has revived in the wake of the advocacy of common sense as a philosophical method or criterion by G. E. Moore early in the 20th century, and more recently because of the attention given to Reid by contemporary philosophers, in particular philosophers of religion in the school of Reformed epistemology such as William Alston,^[17] Alvin Plantinga, and Nicholas Wolterstorff,^[18] seeking to rebut charges that theistic belief is irrational where it has no doxastic foundations (that is, where that belief is not inferred from other adequately grounded beliefs).

He wrote a number of important philosophical works, including Inquiry into the Human Mind on the Principles of Common Sense (1764, Glasgow & London), Essays on the Intellectual Powers of Man (1785) and Essays on the Active Powers of Man (1788). In 1844, Schopenhauer praised Reid for explaining that the perception of external objects does not result from the raw data that is received through the five senses:

Thomas Reid's excellent book, Inquiry into the Human Mind... affords us a very thorough conviction of the inadequacy of the senses for producing the objective perception of things, and also of the non-empirical origin of the intuition of space and time. Reid refutes Locke's teaching that perception is a product of the senses. This he does by a thorough and acute demonstration that the collective sensations of the senses do not bear the least resemblance to the world known through perception, and in particular by showing that Locke's five primary qualities (extension, figure, solidity, movement, number) cannot possibly be supplied to us by any sensation of the senses...
— The World as Will and Representation, Vol. II, Ch. 2

Other philosophical positions

Though known mainly for his epistemology, Reid is also noted for his views in the theory of action and the metaphysics of personal identity. Reid held an incompatibilist or libertarian notion of freedom, holding that we are capable of free actions of which we are the cause, and for which we are morally appraisable.^[19] Regarding personal identity, he rejected Locke's account that self-consciousness in the form of memory of one's experiences was the basis of a person's being identical with their self over time. Reid held that continuity of memory was neither necessary nor sufficient to make one numerically the same person at different times.^[20] Reid also argued that the operation of our mind connecting sensations with belief in an external world is accounted for only by an intentional Creator. In his natural religion lectures, Reid provides five arguments for the existence of God, focusing on two mainly, the cosmological and design. Reid loved and frequently used Samuel Clarke's cosmological argument, which says, in short that the universe either has always been, or began to exist, so there must be a cause (or first principle) for both (Cuneo and Woudenberg 242). As everything is either necessary or contingent, an Independent being is required for contingency (Cuneo and Woudenberg 242). Reid spends even more time on his design argument, but is unclear exactly what he wanted his argument to be, as his lectures only went as far as his students needed. Though there is no perfect interpretation, Reid states that "there are in fact the clearest marks of design and wisdom in the works of nature" (Cuneo and Woudenberg 291) If something carries marks of design (regularity or variety of structure), there must be an intelligent being behind it (Reid EIP 66). This can't be known by experience, fitting with the casual excellence principle, but the cause can be seen in works of nature (Cuneo and Woudenberg 241).

Works

1764. An Inquiry into the Human Mind on the Principles of Common Sense (translated to modern English). (Facsimile of the 1823 edition)
1785. Essays on the Intellectual Powers of Man. (Facsimile)
1788. Essays on the Active Powers of the Human Mind. (Facsimile)

Until recently the standard edition of the Inquiry and the Essays has been the sixth edition of Sir William Hamilton (ed.), Edinburgh: Maclachlan and Stewart, 1863. A new critical edition of these titles, plus correspondence and other important material, is being brought out by Edinburgh University Press as The Edinburgh Edition of Thomas Reid.^[21] An accessible selection from Hamilton's 6th ed. is Thomas Reid's Inquiry and Essays, ed. Ronald Beanblossom and Keith Lehrer, Indianapolis: Bobbs-Merrill, 1975.^[22]

References

^ Selections from the Scottish Philosophy of Common Sense, ed. by G. A. Johnston (1915), essays by Thomas Reid, Adam Ferguson, James Beattie, and Dugald Stewart (online version).
^ ^a ^b ^c Rebecca Copenhaver, Todd Buras (eds.), Thomas Reid on Mind, Knowledge, and Value, Oxford University Press, 2015, p. 214.
^ Patrick Rysiew, New Essays on Thomas Reid, Routledge, 2017, p. 18.
^ Fumerton, Richard (2000). "Foundationalist Theories of Epistemic Justification". Stanford Encyclopedia of Philosophy. Retrieved 19 August 2018.
^ M. T. Dalgarno, E. H. Matthews (eds.), The Philosophy of Thomas Reid, Springer, 2012, p. 195.
^ ^a ^b "Reid, Thomas". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/23342. (Subscription or UK public library membership required.)
^ See Craig G. Bartholomew and Michael W. Goheen, Christian Philosophy p. 138 (Baker Academic, 2013).
^ Biographical Index of Former Fellows of the Royal Society of Edinburgh 1783–2002 (PDF). The Royal Society of Edinburgh. July 2006. ISBN 0-902-198-84-X. Archived from the original (PDF) on 4 March 2016. Retrieved 9 March 2018.
^ See H. Lewis Ulman, The Minutes of the Aberdeen Philosophical Society 1758-1773 (Aberdeen University Press for Aberdeen University Studies Committee, 1990).
^ "(44) - Towns > Glasgow > 1787 - Reprint of Jones's directory; or, Useful pocket companion for the year 1787 - Scottish Directories - National Library of Scotland".
^ Anderson, William (1863). The Scottish Nation. Edinburgh: A. Fullarton and Co. pp. 335–336.
^ Thomas Reid. Metaphysics Research Lab, Stanford University. 2016.
^ See Craig G. Bartholomew and Michael W. Goheen, Christian Philosophy, p. 138 (Baker Academic, 2013).
^ ^a ^b ^c ^d ^e Thomas Reid. An Inquiry into the Human Mind on the Principles of Common Sense. Ed. Derek R Brookes. Edinburgh: Edinburgh University Press, 1997. pp. 256–257
^ Peirce, C. S. (1868), "Some Consequences of Four Incapacities", Journal of Speculative Philosophy 2, pp. 140–157, see p. 155 via Google Books. Reprinted, Collected Papers v. 5, paragraphs 264–317 (see 311), Writings v. 2, pp. 211–42 (see 239), Essential Peirce v. 1, pp. 28–55 (see 52).
^ Peirce, C. S. (1905), "Issues of Pragmaticism", The Monist, v. XV, n. 4, pp. 481–99, see pp. 484–5 via Google Books. Reprinted, Collected Papers v. 5, paragraphs 438–63 (see 444), Essential Peirce v. 2, pp. 346–59 (see 349)
^ Alston invokes Reid in his Perceiving God: The Epistemology of Religious Experience (Ithaca, NY: Cornell University Press, 1991) pp. 151–155, 162–165.
^ For Wolterstorff's use of Reid in aid of Reformed Epistemology, see his "Can Belief in God be Rational if it has no Foundations?" in Faith and Rationality (Notre Dame, IN: Notre Dame University Press, 1983)
^ Essays on the Active Powers, "Essay Four: Of the Liberty of Moral Agents"
^ Essays on the Intellectual Powers, "Essay Three: Of Memory".
^ "The Edinburgh Edition of Thomas Reid". edinburghuniversitypress.com. Archived from the original on 23 June 2022. Retrieved 14 April 2024.
^ Reid, Thomas (1975). Lehrer, Keith; Beanblossom, Ronald (eds.). Thomas Reid's Inquiry and essays. The library of liberal arts. Indianapolis: Bobbs-Merrill. ISBN 978-0-672-61173-5.