Friday, March 6, 2026

Does human perfectibility pose a problem?

 


This essay was prompted by my reading of John Passmore’s book, The Perfectibility of Man, which was first published in 1969. 

I read the book mainly because of James M. Buchanan’s suggestion that “it remains the most definitive work on the history of ideas” relating to the extent to which classical liberalism depends on some presumption that man is perfectible. Buchanan made that suggestion at the beginning of a chapter entitled “Classical liberalism and the perfectibility of man”, in his book Why I, Too, Am Not a Conservative (2005). Buchanan argued that although classical liberalism does not depend on people being especially "good" in a conventional sense, there is nevertheless a presumption of human perfectibility in classical liberalism. He argued that classical liberalism requires that sufficient persons (i) prefer to govern themselves and not be dependent upon others; (ii) respect the person and property of others; (iii) eschew attempts to implement impractical visions of utopian perfectionism; and (iv) be willing to defend the political institutions of liberal society against its enemies.


I had another reason for reading The Perfectibility of Man. As an Australian interested in Aristotle’s view of human perfectibility, I felt that I should by now have read a book on this topic by a distinguished philosopher who was my compatriot.

The book was enjoyable to read and I learned a lot from it. However, I disagree with the author’s assessment of Aristotle’s application of teleology to individual flourishing. It seems to me that Passmore’s view that that “there is something more than a little strange” in “identifying perfection with the realization of potentialities” is not consistent with the view he expresses at the end of the book that humans “are capable of more than they have ever so far achieved”.

I will return to that point later in this essay. Meanwhile, I will briefly outline the scope and content of Passmore’s book.

Passmore’s history of ideas on perfectibility

Passmore discusses the long history of ideas about the perfectibility of humans from Ancient Greece and Rome to the 1960s. He discusses the differing views of Christians over the last 2000 years as well as views associated with the Renaissance, the Enlightenment, the influence of social action, scientific progress and natural evolution.

The following paragraph, referring to the views of Pierre Teilhard de Chardin (1881-1955), summarizes the themes of the book:

“To an extraordinary degree, then, Teilhard built into a single system almost all the main forms of perfectibilism which we have so far distinguished from one another. He was a mystic: perfection consists in union with God. He was a Christian: perfection depends on Christ’s working in man through evolution. He was a metaphysician: perfection consists in the development to its final form of that consciousness     which is present, according to Teilhard, even in elementary electrons. He believed in perfection through science: scientific research is, in his eyes, the prototype of “working with God.” He believed in perfection through social change: men are to be perfected through their participation in a society infused with love. He believed that Christianity shows us in what perfection consists: the New Testament, and especially Paul, reveal to us the nature of that final unity in which evolution must finally come to rest; the Incarnation, the sacrifice of the Mass, symbolize the unity of the material and the spiritual. He believed that science can demonstrate that humanity is moving towards such a perfection. He was Pelagian in his constant emphasis on human effort; he was anti-Pelagian in so far as he argued that God’s grace is essential if mankind is to achieve its final perfection. If Teilhard had not existed, it would almost have been necessary to invent him, in order to weave together our diverse themes.”

Towards the end of the book, it becomes obvious that Passmore is particularly concerned about the tyrannical outcomes of government attempts to implement utopian ideas relating to human perfectibility.

I will now turn to the point on which I disagree with Passmore.

Aristotle’s teleology

Passmore notes that, according to Aristotle, “potential is incomplete, formless, imperfect”. That implies “the actual is ‘perfect,’ then, in so far as it is the realization of, or the giving form to, a potentiality”. He then comments:

“But there is something more than a little strange in thus identifying perfection with the realization of potentialities. Suppose a man is potentially a liar. When he actualizes that potentiality, has he thereby perfected himself? At this point, it is important to recall that the general concept of perfection does not have written into it any suggestion of moral excellence. A man can be a perfect scoundrel or a perfect idiot just as he can be a perfect saint; he can commit a perfect crime, be a perfect forger, or have a “perfectly rotten time of it.” But, as we have already pointed out, when we speak of “perfectibility,” as distinct from perfection simpliciter, the situation is different; to assert that man is perfectible is to assert that he can become, in some sense taken to be absolute, a better person. To the extent to which an analysis of perfection is directed towards helping us to answer the question whether human beings are, or are not, perfectible, it must not allow the response: “they are perfectible all right: there are plenty of men who are potential villains and who actualize that potentiality perfectly.” (p.14)

It seems to me that Aristotle’s perception of individual human perfectibility does have a suggestion of moral excellence written into it. As Passmore acknowledges, Aristotle saw the good for man, as “an activity of soul in accordance with goodness”. In that context he notes that Aristotle argues that the human good consists in a life of contemplation.

However, Aristotle suggests in Book I of the Ethics that the good of man consists in our living in accordance with practical wisdom. In his book Rational Man - in which the passage quoted in the epigraph appears - Henry Veatch comes out strongly in support of the latter view.


Veatch explains that from an Aristotelian viewpoint, a person who is honest, courageous or temperate “will not be one who has merely been conditioned to follow unthinkingly certain approved patterns of behavior. He will be one who has learned to let his choices and preferences be determined by such knowledge and understanding as he may have, rather than to proceed simply from chance feelings and impulses of the moment or from long established but mechanical habits of response.” (p. 74-5)  

In his Preface to the 2003 edition of Rational Man, Douglas Rasmussen makes the point that “when Veatch spoke of how to “perfect” oneself, he did not mean that one should become Godlike, immune to degeneration, or incapable of harm. Rather it is to fulfil those potentialities and capacities that makes one fully human.”

Passmore’s bottom line

Passmore concludes that “perfectibilism is dehumanizing”:

“To achieve perfection in any of its classical senses, as so many perfectibilists have admitted, it would first be necessary to cease to be human, to become godlike, to rise above the human condition.”

However, the concept of perfectibility endorsed by Neo-Aristotelians such as Veatch and Rasmussen certainly doesn’t require humans to become godlike.

And Passmore’s final paragraph suggests to me that there is little difference between his views on perfectibility and those of the Neo-Aristotelians mentioned above:

“In spite of these reflections, which might lead us to reject perfectibilism in any of its forms, it is very hard to shake off the feeling that man is capable of becoming something much superior to what he now is. This feeling, if it is interpreted in the manner of the more commonsensical Enlighteners, is not in itself irrational. There is certainly no guarantee that men will ever be any better than they now are; their future is not, as it were, underwritten by Nature. Nor is there any device, whether skilful government, or education, which is certain to ensure the improvement of man’s condition. To that extent the hopes of the developmentalists or the governmentalists or the educators must certainly be abandoned. There is not the slightest ground for believing, either, with the anarchist, that if only the State could be destroyed and men could start afresh, all would be well. But we know from our own experience, as teachers or parents, that individual human beings can come to be better than they once were, given care, and that wholly to despair of a child or a pupil is to abdicate what is one’s proper responsibility. We know, too, that in the past men have made advances, in science, in art, in affection. Men, almost certainly, are capable of more than they have ever so far achieved. But what they achieve, or so I have suggested, will be a consequence of their remaining anxious, passionate, discontented human beings.” (p. 258)

Conclusion

This essay was prompted by my reading of John Passmore’s book, The Perfectibility of Man.

Passmore makes a strong case that government attempts to implement utopian ideas about human perfectibility result in tyrannical outcomes.

In my view, he also offers a persuasive argument that perfectibilism is dehumanizing when it is approached from the perspective of attempting to rise above the human condition - to become godlike.

However, I disagree with Passmore’s view of Aristotle’s application of teleology to individual flourishing. Passmore suggests that because the general concept of perfection does not have written into it any suggestion of moral excellence, it is possible for some people to actualize their potential perfectly by becoming villains. My response is that Aristotle’s understanding of human perfectibility does have a suggestion of moral excellence written into it. In support, I also refer to Henry Veatch’s view of the link between virtuous behaviour and the exercise of practical wisdom.

Nevertheless, after considering Passmore’s bottom line about the possibility for greater human achievement, I conclude that his view that perfectibilism is dehumanizing does not necessarily apply to Neo-Aristotelian perfectibilists. It certainly doesn’t apply to those of us who maintain that seeking to perfect oneself is about becoming “fully human”, rather than godlike.

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