Plato’s Meno
Knowledge vs. Right Opinion: Why Correct Answers Are Not Enough
As the dialogue approaches its conclusion, Socrates returns to Meno’s original question:
Can virtue actually be taught?
If virtue is a form of knowledge, then the answer should be yes. Knowledge can be learned, practiced, and passed from teacher to student. Yet Socrates encounters a serious problem.
When he looks around Athens, he cannot find anyone who consistently teaches virtue successfully.
Great statesmen such as Pericles, Themistocles, and other respected political leaders governed their city wisely, but even they failed to pass their moral excellence on to their own children. If virtue were truly teachable like mathematics or grammar, wouldn’t the greatest citizens naturally produce equally virtuous sons and daughters?
This observation leads Socrates to introduce one of the dialogue’s most important distinctions: the difference between Knowledge (Epistēmē) and Right Opinion (Orthē Doxa).
Both can produce correct actions.
The difference lies in why they are correct.
Someone who possesses knowledge understands the causes, principles, and reasoning behind a decision. Someone guided by right opinion may still arrive at the correct conclusion, but without fully understanding why it is correct.
As long as circumstances remain unchanged, both people may reach the same destination.
However, only one truly understands the path.
Right Opinion vs. Knowledge
| Right Opinion | Knowledge |
|---|---|
| Correct belief without full understanding | Correct belief supported by reason and explanation |
| Can lead to successful actions | Leads to successful actions with deeper understanding |
| Easily forgotten or changed | Stable and lasting |
| Difficult to teach to others | Can be explained and transmitted |
| Depends on intuition, experience, or inspiration | Depends on logical reasoning and evidence |
The Road to Larissa
Socrates illustrates this distinction with a memorable example.
Imagine you need directions to the ancient city of Larissa.
One guide has traveled the road many times and knows every turn because of direct experience.
Another person has never been there but somehow guesses the correct route.
Both guides may successfully lead you to the destination.
From a practical standpoint, their advice works equally well.
But there is a crucial difference.
If unexpected obstacles appear or someone challenges the route, the person relying only on guesswork quickly becomes uncertain.
The experienced traveler, however, can explain every decision with confidence because their understanding is grounded in knowledge rather than chance.
This example reveals Plato’s deeper point.
Correct answers alone are valuable, but without understanding, they remain fragile.
Knowledge anchors truth.
Right opinion merely happens to coincide with it.
The Statue of Daedalus
To make the distinction even clearer, Socrates compares right opinions to the legendary statues created by Daedalus.
According to Greek mythology, Daedalus crafted statues so lifelike that they could supposedly walk away unless tied down.
Right opinions are like those statues.
They are valuable while they remain with us, but because they are not securely connected to understanding, they may disappear just as easily as they arrived.
Knowledge, on the other hand, is like fastening the statue firmly to the ground.
Reason, explanation, and evidence “tie down” our beliefs so they remain stable over time.
This metaphor has survived for centuries because it captures something every learner experiences.
Many people can memorize the correct answer before an exam.
Far fewer truly understand why that answer is correct.
Once memorized information fades, only genuine understanding remains.
Could Virtue Really Be Taught?
Surprisingly, Plato never gives a simple yes-or-no answer.
Instead, Socrates reaches a cautious conclusion.
If virtue were identical to knowledge, it should be teachable.
Yet because no reliable teachers of virtue seem to exist, virtue cannot simply be treated as an academic subject.
At least in everyday political life, outstanding leaders appear to succeed not because they possess complete philosophical knowledge, but because they are guided by something closer to right opinion—correct judgment that cannot always be explained logically.
Plato even suggests that such judgment may resemble a kind of divine inspiration.
This does not mean reasoning is unimportant.
Rather, it highlights the limits of human certainty.
Even our wisest leaders may sometimes act well without fully understanding the ultimate foundations of their own wisdom.
The discussion of virtue and knowledge in Plato’s Meno is only one chapter in the much larger story of Western philosophy. The questions first raised by Socrates continued through Plato and Aristotle, evolved into medieval philosophy, inspired the rationalists and empiricists of the modern era, and remain central to contemporary philosophy today.
“Western Philosophy Overview: How Ideas Shaped Civilization.”
Along this journey, philosophers have continued asking the same fundamental questions: How should we think? What can we truly know? And what does it mean to live a good life? In “Introduction to Western Philosophy: How Ideas Have Shaped Humanity”, you’ll explore this intellectual journey in chronological order and discover how these timeless ideas continue to influence modern society, education, ethics, politics, and everyday life.
Kori’s Reflection
Reading Meno today feels surprisingly modern.
We live in an age overflowing with information. Within seconds, we can search the internet, ask AI almost any question, or access millions of books and articles.
Yet having information is not the same as possessing wisdom.
It’s easy to repeat facts we’ve read online.
It’s much harder to explain why those facts are true, how they connect to one another, and how they should guide our decisions.
Perhaps Plato’s greatest lesson isn’t simply about virtue.
It’s about intellectual humility.
The moment we believe we already know everything, genuine learning comes to an end.
Socrates famously claimed that his wisdom began with recognizing his own ignorance.
That mindset may be even more valuable today than it was in ancient Athens.
Real education isn’t merely collecting answers.
It’s learning to ask better questions.
The dialogue ends without complete certainty, but perhaps that’s exactly Plato’s intention.
Some questions are too important to close forever.
Instead, they remain open—inviting every generation to continue the conversation for itself.
References
Rather than presenting abstract theories alone, Plato built Meno as a dialogue that continues to shape discussions about education, ethics, and human knowledge. Readers interested in exploring these ideas further may find the following sources especially valuable.
- Plato. Meno. Translated by G. M. A. Grube. In Plato: Complete Works, edited by John M. Cooper. Hackett Publishing.
- Plato. Meno. Translated by W. R. M. Lamb. Harvard University Press (Loeb Classical Library).
- Stanford Encyclopedia of Philosophy. Plato’s Ethics and Politics in The Republic.
- Internet Encyclopedia of Philosophy. Plato: Ethics.
- Julia Annas. Plato: A Very Short Introduction. Oxford University Press.
- Terence Irwin. Plato’s Ethics. Oxford University Press.
- Encyclopedia Britannica | Britannica
Plato’s Meno Frequently Asked Questions (FAQ)
Q1. What is Meno’s Paradox?
A. Meno’s Paradox asks how people can search for something they do not already know. If they know it, there is no need to search. If they do not know it at all, they would not recognize the answer even if they found it. Plato introduces the Theory of Recollection as his response to this philosophical challenge.
Q2. Why does Socrates question the slave boy instead of simply teaching him?
A. Socrates wants to demonstrate that genuine understanding can emerge through careful questioning rather than direct instruction. Plato uses the famous geometry demonstration to argue that learning is a process of drawing out knowledge already present within the soul rather than inserting entirely new information.
Q3. Does Plato conclude that virtue can be taught?
A. Not completely. Plato suggests that if virtue were identical to knowledge, it should be teachable. However, because no reliable teachers of virtue can be found, Socrates concludes that moral excellence often resembles right opinion rather than fully developed knowledge. The dialogue intentionally leaves the question open for continued philosophical reflection.
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If your thoughts feel a little lighter, that’s enough.
See you in the next question — Beautiful KoriThink