This experience is optimized for Internet Explorer version 9 and above.

Please upgrade your browser

Send the Gift of Lifelong Learning!

Introduction to Greek Philosophy

Introduction to Greek Philosophy

Gifting Information


To send your gift, please complete the form below. An email will be sent immediately to notify the recipient of your gift and provide them with instructions to redeem it.

  • 500 characters remaining.

Frequently Asked Questions

With an eGift, you can instantly send a Great Course to a friend or loved one via email. It's simple:
1. Find the course you would like to eGift.
2. Under "Choose a Format", click on Video Download or Audio Download.
3. Click 'Send e-Gift'
4. Fill out the details on the next page. You will need to the email address of your friend or family member.
5. Proceed with the checkout process as usual.
Q: Why do I need to specify the email of the recipient?
A: We will send that person an email to notify them of your gift. If they are already a customer, they will be able to add the gift to their My Digital Library and mobile apps. If they are not yet a customer, we will help them set up a new account so they can enjoy their course in their My Digital Library or via our free mobile apps.
Q: How will my friend or family member know they have a gift?
A: They will receive an email from The Great Courses notifying them of your eGift. The email will direct them to If they are already a customer, they will be able to add the gift to their My Digital Library and mobile apps. If they are not yet a customer, we will help them set up a new account so they can enjoy their course in their My Digital Library or via our free mobile apps.
Q: What if my friend or family member does not receive the email?
A: If the email notification is missing, first check your Spam folder. Depending on your email provider, it may have mistakenly been flagged as spam. If it is not found, please email customer service at ( or call 1-800-832-2412 for assistance.
Q: How will I know they have received my eGift?
A: When the recipient clicks on their email and redeems their eGift, you will automatically receive an email notification.
Q: What if I do not receive the notification that the eGift has been redeemed?
A: If the email notification is missing, first check your Spam folder. Depending on your email provider, it may have mistakenly been flagged as spam. If it is not found, please email customer service at ( or call customer service at 1-800-832-2412 for assistance.
Q: I don't want to send downloads. How do I gift DVDs or CDs?
A: eGifting only covers digital products. To purchase a DVD or CD version of a course and mail it to a friend, please call customer service at 1-800-832-2412 for assistance.
Q: Oops! The recipient already owns the course I gifted. What now?
A: Great minds think alike! We can exchange the eGifted course for another course of equal value. Please call customer service at 1-800-832-2412 for assistance.
Q: Can I update or change my email address?
A: Yes, you can. Go to My Account to change your email address.
Q: Can I select a date in the future to send my eGift?
A: Sorry, this feature is not available yet. We are working on adding it in the future.
Q: What if the email associated with eGift is not for my regular Great Course account?
A: Please please email customer service at ( or call our customer service team at 1-800-832-2412 for assistance. They have the ability to update the email address so you can put in your correct account.
Q: When purchasing a gift for someone, why do I have to create an account?
A: This is done for two reasons. One is so you can track the purchase of the order in your ‘order history’ section as well as being able to let our customer service team track your purchase and the person who received it if the need arises.
Q: Can I return or Exchange a gift after I purchase it?
A: Because the gift is sent immediately, it cannot be returned or exchanged by the person giving the gift. The recipient can exchange the gift for another course of equal or lesser value, or pay the difference on a more expensive item

Priority Code


Introduction to Greek Philosophy

Course No. 4477
Professor David Roochnik, Ph.D.
Boston University
Share This Course
4.6 out of 5
46 Reviews
67% of reviewers would recommend this series
Course No. 4477
Audio Streaming Included Free

Course Overview

The first philosophers in Western history—the ancient Greeks—asked the most fundamental questions about human beings and their relationship to the world. More than 2,500 years later, the issues they pondered continue to challenge, fascinate, and instruct us. Is reality stable and permanent or is it always changing? Are ethical values like justice and courage relative? Or are values "absolute"—simply and forever right and true? What is justice? What is happiness? How shall we best live our lives?

An Introduction to Greek Philosophy beckons you to join this eternal discussion. For that is what this subject truly is: a conversation among thinkers that has continued through the centuries and remains accessible to us today. You find it constantly stimulating, sometimes controversial, and nearly always remarkably relevant.

A Hunger for Reasons, not Myths or Beliefs

Professor David Roochnik has organized this series of 24 lectures as a "dialectical" approach (the word comes from the Greek dialegesthai: to converse). The philosophers are presented as if they were participating in a conversation. In this way, the course unfolds in a manner similar to the actual development of Greek philosophy.

In this course, you study the development of Greek philosophy, meet its major thinkers, and explore the issues and ideas that concerned them. For example the first real philosophers were the Presocratics—literally, the philosophers who lived before Socrates. They included Thales of Miletus (585 B.C.E.–?), Anaximander (610–546), Anaximenes (approx. 550), Xenophanes (approx. 570) and Pythagoras (approx. 570–500).

The Presocratics rejected myth and divine inspiration—such as had been embodied in the works of Homer and in Hesiod's creation story, the Theogony—as valid explanations of reality. Instead, they insisted that true understanding always requires a logos, a rational explanation (hence such English words as "psychology" and "biology").

The Presocratics were concerned with issues such as identifying the arche or "Being": the thing that is the origin of all other things. They also introduced sophistic relativism, the notion that truth, goodness, and all other values were relative, depending entirely on the person or group that held them. This concept would become a major point of debate for the Greeks and for the ages.

Are We Footnotes to Plato?

The heroes of this course, and certainly of Greek philosophy, are Plato (429–347 B.C.E.) and his student, Aristotle (384–322 B.C.E.). Unlike the Presocratics, who wrote too little, Plato and Aristotle were prolific authors. Both argued against relativism and instead were staunch objectivists who believed that certain important values were absolutely and universally true. And both left a staggering mark on history.

Alfred North Whitehead, the great 20th-century British philosopher, said, "The safest general characterization of the European philosophical tradition is that it consists of a series of footnotes to Plato." In the Middle Ages, Aristotle was held in such high esteem that he was simply known as "the philosopher."

Among Plato's many contributions to philosophy is his ingenious device for the examination of ideas: his written dialogues. In them, Plato never uses his own voice. Instead, the dialogues take place among a changing cast of characters, and Socrates is the most notable among them. The effect is to invite us to take part in the conversation and, ultimately, to become philosophers.

You study Plato's dialogues as well as his notion of the Forms. This was his response to relativism and proposed that every virtue and value has an absolute and perfect Form, which humans understand even before birth.

Greek philosophy can be said to culminate with Aristotle, who wrote treatises on a breathtaking range of subjects. He is said to be the first to view knowledge as being divided into specific disciplines such as biology or astronomy. The university was later modeled on this approach. More than any other philosopher, Aristotle synthesized the views that preceded him.

For Aristotle, one value was foremost and was contained in everything, from the tiniest organisms to the phenomena of fire to human beings: purpose. Everything has a purpose that can be recognized and objectively defined, and that gives meaning to life. You explore the details and rationale of Aristotle's teleological—or purposive—world-view, one of the most significant in history.

An Invitation to Think

In this course, you not only learn about Greek philosophy but, to some extent, how to do it. Professor Roochnik emphasizes that Greek philosophy is ultimately not about facts or answers but about the give-and-take of ideas.

By the end of these lectures, you will understand how Greek philosophy still heavily influences our view of life. We live today, Professor Roochnik maintains, at a time that is shaped by Presocratic, relativistic philosophy. Contemporary thinkers, and often the average person, have great difficulty finding objective truth or meaning in life.

What have we lost in turning away from the world of Plato and Aristotle—a world where everything has a place and a purpose and life is saturated with value and meaning?

On the other hand, what would we lose if we returned to that world?

These are a few of the many questions that will give you ample food for thought. For the Greeks, that was the greatest feast of all.

Hide Full Description
24 lectures
 |  30 minutes each
  • 1
    A Dialectical Approach to Greek Philosophy
    The approach of this course is "dialectical." The development of Greek philosophy is presented as a conversation between thinkers who respond to each other. The purpose is to invite the student to enter the dialogue that the Greeks began, and that continues to this day. x
  • 2
    From Myth to Philosophy—Hesiod and Thales
    Thales is generally regarded as the first philosopher of the West. He claimed to have rationally discovered the origin (archê) of all things: water. With this claim, he fundamentally broke with the myth-makers of the past. x
  • 3
    The Milesians and the Quest for Being
    Thales and two other philosophers from Miletus— Anaximander and Anaximenes—agreed that the world has an origin (archê) that can be comprehended rationally. They disagreed, however, as to its nature. This dispute about Being was the first debate in Western philosophy. x
  • 4
    The Great Intrusion—Heraclitus
    Heraclitus of Ephesus (540–480) offered a daring response to the dilemma of Being and Becoming: he eliminated Being. According to Heraclitus, nothing is stable or permanent. But if reality is unstable, how can it have a rational explanation? x
  • 5
    Parmenides—The Champion of Being
    Parmenides of Elea (c. 515–440) responded to Heraclitus by eliminating Becoming. His was a supremely rationalist position that rejected "appearance" (doxa)—what the world seems like to our eyes, ears and other senses—as totally unreliable and philosophically worthless. x
  • 6
    Reconciling Heraclitus and Parmenides
    Much of Greek philosophy in the fifth century attempted to reconcile the conclusions of Heraclitus and Parmenides. This lecture discusses three such efforts, by Democritus of Abdera (c. 460), Anaxagoras (500–428) and Empedocles (493–433). x
  • 7
    The Sophists—Protagoras, the First "Humanist"
    The Sophists, a group of thinkers who lived in the fifth century, were professional teachers who traveled from city to city. This lecture focuses on Protagoras of Abdera, the first humanist in the West. He was a relativist for whom the distinctive feature of human beings was language, especially when applied to political deliberation and debate. Thus, he taught rhetoric, the art of speaking well. x
  • 8
    Socrates wrote nothing, and what we know of him comes from the writings of others. He was interested in ethical concepts, and sought definitions to such questions as "What is justice?" and "What is courage?" His basic concern was how a person could live a good life. x
  • 9
    An Introduction to Plato's Dialogues
    Plato wrote some 25 dialogues, a few of them (the Republic and the Laws), quite long. Only a small portion of Plato's writings will be addressed in this course. These themes will be selected with one consideration: How did Plato respond to his predecessors, the Sophists and the Presocratics? x
  • 10
    Plato versus the Sophists, I
    Plato was profoundly opposed to the relativism of the Sophists. He believed that the idea that "human being is the measure of all things" was philosophically, morally, and politically pernicious. This lecture examines in some detail one argument the philosopher used against his Sophistic opponents. x
  • 11
    Plato versus the Sophists, II
    Another strategy that Plato used against the relativism of the Sophists was the self-reference argument. In this sort of refutation, a position is used against itself. In the Theaetetus, Socrates uses the self-reference argument against Protagoras and Heraclitus. x
  • 12
    Plato's Forms, I
    In another dialogue, The Meno, Socrates asks his Sophistic opponent: "What is virtue itself?" This question demands a universal definition that embraces all the particulars. This is "The Form of Virtue," a crucial Platonic concept that will be explained in some detail. x
  • 13
    Plato's Forms, II
    Why should anyone believe that there are Platonic Forms? This is a profound question in the debate about relativism. In Plato's dialogue the Phaedo, Socrates shows that the Forms cannot be derived from experience. Instead, they are "recollected." This lecture will explain what this means. x
  • 14
    Plato versus the Presocratics
    Plato was a fundamentally different kind of thinker from the Presocratics. They were phusiologoi, natural philosophers, interested mostly in giving an account of nature (a logos of phusis). By contrast, Plato was most involved with questions concerning the value and meaning of human life. For Plato, the world was saturated in value. x
  • 15
    The Republic—The Political Implications of the Forms
    The Forms played a crucial role in Plato's political thinking. This lecture turns to the "Parable of the Cave" in the Republic to consider the political implications of the Forms. The regime Plato seems to recommend is quite authoritarian. The ultimate authority, however, is not a man, but wisdom itself. x
  • 16
    Final Reflections on Plato
    By focusing on Plato's critique of the Sophists and the Presocratics, these lectures have positioned him to enter into the major philosophical debates of today. Contemporary thought has two dominant worldviews: the scientific, which is the legacy of the Presocratics, and the relativistic, whose representatives today are descendants of the Sophists. In rejecting both, Plato offers a compelling middle way that is still viable. x
  • 17
    Aristotle—"The" Philosopher
    Aristotle's influence on Western civilization was monumental. He was so dominant that in the Middle Ages he was simply called "the philosopher." Unlike Plato, Aristotle gave systematic answers to the questions asked in each of these fields. This lecture covers some general characteristics of Aristotelian theory, and begins to discuss how it is both similar to, yet fundamentally different from, the modern conception of science. x
  • 18
    Aristotle's Physics—What is Nature?
    This lecture introduces Aristotle's Physics, his study (or theory) of nature. Aristotle appreciated the groundbreaking efforts of his predecessors, the Presocratics, but thought they put too much emphasis on material elements. As a student of Plato, Aristotle insisted that "form" was a crucial part of natural beings. His view is called "hylomorphism," a doctrine in which both matter (hulê) and form (morphê) play an essential role. x
  • 19
    Aristotle's Physics—The Four Causes
    The Physics presents Aristotle's doctrine of the four causes: the efficient, the material, the formal, and the final. Aristotle's final cause implies that natural beings, not just humans, have purposes. This is Aristotle's "teleological" conception of nature, and is essential to understanding his view of the world. x
  • 20
    Why Plants Have Souls
    The Aristotelian idea that plants have souls sounds preposterous to modern ears. However, Aristotle's conception of soul (psychê) is so radically different from what we associate with the word that, in fact, his position can be philosophically defended. x
  • 21
    Aristotle's Hierarchical Cosmos
    Aristotle conceives of a hierarchically ordered cosmos in which things have their place. The heavens are, quite literally, above the earth. They are higher, better, more perfect than things that are below the moon (sublunar). On earth, animals are higher than plants, and human beings are the highest animal of all. Religious thinkers later used this argument to prove the existence of God, but Aristotle's God is different from that of the monotheistic tradition in important ways. x
  • 22
    Aristotle's Teleological Politics
    Aristotle applied his teleological conception of the world not just to physical objects, but to politics as well. He argued that the human being is by nature a "political animal." According to Aristotle, human beings naturally form communities, which reach their zenith in the city, the only community that exists "for the sake of living well." Some of Aristotle's political views, such as on slavery or the purpose of marriage, are shocking and controversial to a contemporary audience. x
  • 23
    Aristotle's Teleological Ethics
    Aristotle's Nicomachean Ethics also reflects a teleological view of nature. This is illustrated by his conception of "happiness." For him, happiness is a kind of work. Human beings, like all animals, have a "proper function," or telos, which defines their potentialities. Those who fully actualize that nature are happy. Those who do not are unhappy (regardless of how they feel about themselves). x
  • 24
    The Philosophical Life
    What can we learn today from Aristotle's conception of the theoretical life—the life spent studying the world? While the technological achievements of modern science are extraordinary, they risk blinding us to what it means to be human. Aristotle, with his commonsensical view of experience, keeps us connected to human life as it is actually lived. This is a lesson desperately needed in the contemporary world. x

Lecture Titles

Clone Content from Your Professor tab

What's Included

What Does Each Format Include?

Video DVD
Audio Download Includes:
  • Ability to download 24 audio lectures from your digital library
  • Downloadable PDF of the course guidebook
  • FREE audio streaming of the course from our website and mobile apps

What Does The Course Guidebook Include?

Video DVD
Course Guidebook Details:
  • 104-page printed course guidebook
  • Suggested readings
  • Questions to consider
  • Glossary

Enjoy This Course On-the-Go with Our Mobile Apps!*

  • App store App store iPhone + iPad
  • Google Play Google Play Android Devices
  • Kindle Fire Kindle Fire Kindle Fire Tablet + Firephone
*Courses can be streamed from anywhere you have an internet connection. Standard carrier data rates may apply in areas that do not have wifi connections pursuant to your carrier contract.

Your professor

David Roochnik

About Your Professor

David Roochnik, Ph.D.
Boston University
Dr. David Roochnik is Professor of Philosophy at Boston University, where he teaches in both the Department of Philosophy and the Core Curriculum, an undergraduate program in the humanities. He completed his undergraduate work at Trinity College, where he majored in philosophy, and earned his Ph.D. from Pennsylvania State University. Dr. Roochnik was awarded Boston University's Gitner Award in 1997 for excellence in teaching...
Learn More About This Professor
Also By This Professor


Introduction to Greek Philosophy is rated 4.6 out of 5 by 46.
Rated 5 out of 5 by from Fascniating and beautifully taught I have heard many TGC courses on Greek Philosophy: the current Professor’s other course dedicated exclusively to Plato’s republic, Professor Bartlett’s course “Masters of Greek thought” dedicated to Socrates, Plato and Aristotle, and Professor Surgue’s course on Plato’s dialogues. Hands down, I found professor Roochnik to be by far the most profound, clear and insightful presenter to these topics and I enjoyed his courses immensely. The current course is a general introduction/survey of ancient Greek philosophy. The first part which is dedicated to the “Pre-Socratics” is just in this vein: a no-frills, not particularly profound survey of the major figures and their thoughts. Once he gets to Socrates, and even more so to Plato he shifts gears altogether and one gets an absolutely insightful and beautifully taught set of lectures that expose many of the subtleties, ironies and beliefs of Platonic thought. I particularly enjoyed this part because he presented Plato not only as a Philosopher but also as a master poet. Professor Roochnik was very thorough in presenting the beauty and profundity of Plato’s work both artistically and analytically. Most of all, I enjoyed his discussions on Plato’s use of irony. Not only does this produce in many cases highly comical situations, it is also very affective in not letting you understand what Plato’s personal opinion is. As Professor Roochnik explains, perhaps this was Plato’s intent to begin with, since this allows a way of forming the closest thing to a real dialogue between the reader (twenty five centuries removed) and Plato. As for the last part regarding Aristotle – I admit that I found this to be a bit of a slog and it is certainly not my favorite part of the course, though there were some parts that were very interesting here as well. Overall this has been a wonderful course. The Professor’s teaching style, especially in the lectures on Socrates and Plato is among the ones I enjoyed most in TGC so far. It was not only fascinating but highly enjoyable and I’m glad I decided to hear it.
Date published: 2017-06-22
Rated 2 out of 5 by from Not relevant I was very disappointing b/c most of the material / philosophies presented are no longer relevant in the face of modern science. Even the Roochnik made this point. So instead of being challenged by enlightened thought, I kept finding myself saying how easily I could refute their beliefs. Thus I generally found it to be a waste of my time.
Date published: 2016-11-27
Rated 5 out of 5 by from Enjoying Greek Philosophy I stumbled upon the topic of Greek philosophy, and having no significant previous experience with philosophy, decided to start at the beginning. I have thoroughly enjoyed the first half of the course and plan to pursue other philosophy courses once this is completed. The professor makes the topic relatable and follows a very logical progression from one early philosopher to the next. I highly recommend this course.
Date published: 2016-09-21
Rated 5 out of 5 by from Excellent course I enjoyed this course so much that as soon as I finished it I began again right away from the beginning. Dr. Roochnik is an exceptionally gifted teacher. His presentation is calm, measured, and easy to follow, and while he presents a wealth of material, he does so in a way which always keeps the "big picture" (or the "big questions") in view. He also does an excellent job of showing the relevance of Greek philosophy both to subsequent developments in philosophy, and to contemporary concerns (such as the perennial problem of moral relativism). I learned so much! An outstanding value, and one of the best courses I've listened to!
Date published: 2016-09-08
Rated 5 out of 5 by from An Excellent Overview This was a very enjoyable introduction to Greek philosophy that I think accomplished exactly what it set out to do; provide a detailed (but not cursory) introduction to the major themes and thinkers of Greek philosophy without bogging down into any one topic and losing the flow of the course. Professor Roochnik pulls off this difficult task with seeming ease and makes each lecture a rich buffet of information. Highly recommended.
Date published: 2016-09-06
Rated 5 out of 5 by from Nice introductory course This is a good basic introduction to Greek philosophers up to Aristotle. The professor presented various ideas, like Being and Arch`e from the perspective of the various philosophers. It is a nice way of getting your big toe wet, so to speak.
Date published: 2016-06-14
Rated 4 out of 5 by from Slow to start but an excellent overview Professor Roochnik introduces the Greek philosophy as a series of arguments (dialectically) between various thinkers, and the lectures are well constructed, and complete. The course presents the progression of ideas to explain the reality from the myths of Hesiod, the material explanation of the reality by the pre-socratic philosophers, to the relativist ideas of the sophists, to the counter arguments to sophistic relativism by Plato, and Aristotle. The bulk of the lectures are justifiably on Plato and Aristotle. His way of comparing and contrasting various strains of thoughts, and he places Aristotle at the apex of the Greek philosophers, as someone who brought together the various strands of Greek thought, as a worthy successor who expanded on the materialistic explanation of the universe by the pre-socratic philosophers, as a capable opponent of the relativistic ideas of the sophists alongside Plato, as someone who proposed a comprehensive system to understand the world as it presents itself through the particulars as opposed to the Platonic notions of idealized forms. The course is well organized, but starts very slow. I was somewhat put off by the slowness of the speaker (I set the speed at 1.25x), and somewhat repetitive pre-fabricated expressions such as, "Let me put it another way", or "monkey-wrench", or "as I mentioned in lecture x", etc. These are minor quibbles. It is a good course, well organized, and does justice to the chosen topic. I thoroughly enjoyed it, and I got it via audible.
Date published: 2015-12-01
Rated 5 out of 5 by from High Marks I haven't listened to them all but I suspect this is one of the better Teaching Co philosophy courses. Roochnik's overview of Greeks comes across as instructive without being facile or patronizing. He works with patience to lay out the basics of his subjects' arguments in a manner that would make it an excellent companion for one's own reading of the sources. He's not an entertainer or a showman (for which thank God) but I found him careful, straightforward and on the high side of helpful. Sorry I didn't have it in hand back when I made my first schoolroom attack on the subject matter (unguided or misguided) so many years ago.
Date published: 2015-09-16
  • y_2017, m_9, d_22, h_22
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasreviews, tv_3, tr_43
  • loc_en_US, sid_4477, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_teachco
  • bvseo_sdk, p_sdk, 3.2.0
  • CLOUD, getContent, 9.34ms

Questions & Answers


1-10 of 11 Questions
1-10 of Questions

Customers Who Bought This Course Also Bought

Video title