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Bryan Magee traces the history of western philosophy over two millennia, discussing the ideas of the past with an expert guest or contemporary philosopher.
The dialogues of Plato are analyzed in this program by Cambridge philosophy professor Miles Burnyeat. Seeing Plato's ideas initially as extensions of those of his teacher, Socrates, Burnyeat explains the development and content of Plato's original; doctrines of knowledge as virtue, the immortality and tripartite division of the soul, and the theory of forms (ideas). Plato's political philosophy is discussed within the context of the notion of the ideal state—a political utopia ruled by philosopher kings.
In this program, the far-reaching philosophical ideas of Plato's star pupil are examined by noted Brown University professor Martha Nussbaum. Aristotle overcomes Plato's dualism of the intelligible and sensible worlds with his principle of inseparable nature of eternal matter and form. The principles of potentiality and actuality are examined, along with Aristotle's theory of the four causes—material, formal, efficient, and final—which account for changes in all things. These theories of constancy and change are credited with the progress of scientific inquiry over the ages.
This program examines the ideas of the medieval philosophic theologians, particularly St. Thomas Aquinas. Oxford medieval philosopher Anthony Kenny discusses Aristotelian logic as the basis of Aquinas' thought, and disputes charges that medieval philosophy merely reinforced extant Christian views. Logical methods employed by Aquinas are discussed as precursors of the scientific methodology of later philosophers, such as Descartes.
I think, therefore I am. Rationalist philosopher and mathematician René Decartes, considered the father of modern philosophy, held this as self-evidently true. In this program, Bernard Williams of Kings College examines Decartes' theory of knowledge and his use of skeptical inquiry to affirm reality, including the existence of God. Descartes' theory of physical and mental substances, and Cartesian dualism—which allows the concept of science to coexist with the notion of God—are examined.
The ideas of rationalist philosophers Baruch Spinoza and Gottfried Leibniz are examined in this program by philosophy Anthony Quinton. Spinoza favors a pantheistic God who has matter and mind as two attributes, and who is the ultimate substance and explanation of the world. Leibniz sees the real world as consisting of an infinity of things purely spiritual, where everything, including space, is a phenomenon—a by-product of areal world with an infinite array of spiritual centers. Both philosophers construct a world that is very different form what the average person perceives, and both reject Cartesian duality.
This program examines the philosophies of British empiricists John Locke and George Berkeley. Philosopher Michael Ayers of Oxford interprets Locke's skeptical theory that all knowledge is sensory and speculative, and that the true nature of the world can never be known as an attack on Descartes' theory of innate ideas. Conversely, Berkeley insists that we cannot have sensory knowledge of material substances because the exist only in the mind. Even the laws of nature, Berkeley says are merely the regularities of our own perceptions or ideas.
The leading philosopher of the Scottish Enlightenment, David Hume, is the subject of this program. In it, expert John Passmore of the National Australian University discusses causality as the cornerstone of Hume's philosophy. Also discussed are three of Hume's basic philosophical views:anything that is not a fact, is illusion; judgments on fact mist be based on concrete experience; and all knowledge is imperfect. Hume also denies the idea of a continuous identical self, refutes deism, and views reason as a slave to passion.
Contemporary philosopher Geoffrey Warnock discusses the philosophy of anti-empiricist Immanuel Kant, and his view that activities and powers within the mind are the key to knowledge, and that all knowledge is appearance. Knowledge for Kant, is a complex affair, in which knowing is acquired not just through the senses, but through pure concepts of understanding indigenous to the mind. Countering Hume, Kant insists it is the mind, not the senses, which unifies and organizes sensory flow into meaning full definitions of things.
In this program, contemporary philosopher Peter Singer discusses rational Hegelian philosophy, and the historicism and organicism at its root. Hegel's theories of absolute idealism and of a dialectic, emphasize history in their development of a model of reality. His concept of this reality as ultimately spiritual, and of philosophy as organic and constantly changing, is examined. The theories of Karl Marx are discussed as essentially Hegelian, but a practical economic spin
This program examines the systematic, philosophical pessimism of Arthur Schopenhauer and its emphasis on infraconsciousness, or will, as the irrational motivating force in human nature. Distinguished philosophical historian Frederick Copleston discusses Schopenhauer's theory of underlying reality as experienced through the inner self. On a larger scale, the concept of will is ultimately defined as energy, which is judged to be central to scientific explanations of what drives the universe.
Vehement repudiation of Christian and liberal ethics; the detestation of democratic ideals; the celebration of the "superman"; the death of God; and a life-affirming "will to power" are the philosophical legacies of Friedrich Nietzsche. In this program, Nietzsche philosopher J.P. Stern discusses these concepts as the genesis of existentialism, and as the root philosophies of fascist political movements.
In contrast to empiricist and rationalist traditions, existentialism proposes and orderless world, vaguely hostile, where people choose their character goals, have an obligation only to "authentic," and may only observe the truth (reality) in moments of anxiety. In this program, University of California, Berkeley philosopher Herbert Dreyfus traces the roots of existentialism from Edmund Husserl's School of Phenomenology, to his pupil Martin Heidegger's theories of das Sein, the threefold structure of activity, authenticity, and nihilism. Dreyfus relates the philosophies of both en to present-day schools of thought.
C.S. Peirce, William James, John Dewey In this program, Columbia University professor Sidney Morgenbesser discusses the nuances of pragmatic philosophy as expressed by three of America's greatest thinkers. Moranbesser examines Peirce's theory of meaning and the notion of fallibilism that supports the changing nature of truth. James' concept of meaning, knowledge, and truth is examined within the context of the usefulness of particular conceptual schemes. The discussion of Dewey focuses on the human quest for warranted beliefs, and his philosophy of education—a "bottom up" approach that bases instruction on a child's real problems and experiences.
Bryan Magee talks to A.J. Ayer about Gottlob Frege and Bertrand Russell; specifically about their published works and their impact Bryan Magee talks to A.J. Ayer about Gottlob Frege and Bertrand Russell; specifically about their published works and their impact on philosophy itself.
Bryan Magee talks to John Searle about the legacy of Ludwig Wittgenstein; ranging from his early work, the Tractatus, to his posthumously published, Philosophical Investigations.
Host
The Essential Lectures of Alan Watts video series was recorded in 1971 above Muir Woods, California, and in 1972 aboard the ferryboat the SS Vallejo in Sausalito. Produced by his son Mark and directed by long-time archivist Henry Jacobs, the series explores core philosophical themes that spawned over Watts' career.
In Introduction to Nietzsche, an eight-hour course, Dr. Peterson embarks on a deep exploration of the life, philosophy, and enduring influence of Friedrich Nietzsche. Set against the backdrop of the late 19th century, we examine how Nietzsche's ideas challenged traditional moral and philosophical foundations, paving the way for new perspectives on the human condition. The course delves into key concepts such as the will to power, the critique of truth and morality, and the affirmation of life in the face of nihilism, while also exploring Nietzsche's complex relationship with religion, academia, and the works of other thinkers. Ultimately, we are invited to confront uncomfortable realities, embrace necessary struggles, and cultivate the courage and gratitude needed to realize our full potential.
In The Philosophy of Science, an eight-hour course, Dr. James Orr traces the development of science from ancient Greece through the Scientific Revolution to today. He examines how theological, institutional, and philosophical forces shaped science, while tackling key issues like the demarcation problem of science versus pseudoscience, Hume’s problem of induction, Kuhn’s theory of paradigm shifts, and the realism debate. The course also engages fascinating unresolved questions raised by cosmology, neuroscience, and quantum mechanics, ultimately arguing that scientific progress does not eliminate philosophical inquiry but rather deepens it, revealing new mysteries that demand philosophical analysis.
In Maps of Meaning, a twelve-hour course, Dr. Jordan B. Peterson explores the foundations of human consciousness, perception, and the pursuit of meaning. Drawing from psychology, mythology, and neuroscience, he examines how we navigate the tension between order and chaos—not as passive observers, but as active participants guided by goals and values. Central to this exploration is the archetypal hero’s journey, which shows how voluntarily confronting suffering and taking responsibility can transform both the individual and society. Grounded in decades of research and personal experience, Dr. Peterson reveals how religious symbols, archetypal narratives, and social hierarchies shape both the individual mind and collective culture. Through powerful insights, the course demonstrates that proper orientation toward the highest good enables us to transform chaos into meaningful order.
In The Sermon on the Mount, an eight-hour course, Dr. Jordan Peterson explores the profound wisdom and symbolism embedded in this foundational biblical text, highlighting the transformative power of living by Christ-like principles. He offers a deep dive into key passages, such as the Beatitudes and the Lord’s Prayer, emphasizing the importance of humility, self-reflection, and the pursuit of meaning when facing life’s challenges. Throughout the lectures, Dr. Peterson masterfully integrates biblical narratives, Jungian psychology, and personal stories, illustrating the enduring relevance of these teachings for navigating the complexities of the human experience.
In Aristotle: From Logic to Life, an eight-hour course, Dr. Orr explores Aristotle's comprehensive philosophical system, tracing his life, empirical methodology, and key contributions to logic, metaphysics, ethics, politics, and poetics. We examine his theories of substance, causation, virtue ethics, eudaimonia (human thriving), political life, and his analysis of tragedy and catharsis. The course follows his impact from medieval rediscovery and tensions with monotheism to contemporary revivals, showing why Aristotle remains a vital guide for modern philosophy.
In Ancient Philosophy, a seven-hour course, Dr. Orr takes us on an exploration of the rich history of ancient Greek thought, beginning with the foundational ideas of the Ionian and Eleatic schools and voyaging through the transformative philosophies of Plato and Aristotle. The course also examines the emergence of Stoicism and Epicureanism during the Hellenistic period, emphasizing their distinct approaches to ethics, nature, and the human condition. Throughout the course, we trace the evolution of pivotal concepts in metaphysics, epistemology, and ethics that have shaped Western thought for millennia, underscoring the enduring relevance and transformative power of ancient Greek philosophy in modern times.
In God, The Bible & Humanity, a five-hour course, Bishop Robert Barron explores the nature of God, the biblical narrative, and the life and teachings of Jesus Christ through the lens of Catholic theology. Drawing from the Old and New Testaments, he examines themes such as God's transcendence and immanence, the importance of right worship, spiritual liberation, and the roles of priest, prophet, and king. The course culminates in a profound reflection on the Sermon on the Mount and the transformative power of the crucifixion and resurrection of Jesus.
In Ideas of the 20th Century, Dr. Daniel Bonevac examines the major intellectual movements that shaped modern Western thought. Beginning with the Scientific, Agricultural, and Industrial Revolutions, the course explores how traditional beliefs came under pressure, creating tensions between human freedom and scientific determinism and contributing to cultural and political upheavals. Through the ideas of thinkers such as Nietzsche, Marx, Freud, and the existentialists, as well as debates over totalitarianism, liberty, language, truth, and justice, the course traces the search for meaning in the modern world. By connecting philosophy, politics, and culture, it reveals how the central ideas of the 20th century continue to shape contemporary society and the challenges facing Western civilization today.
In Introduction to Philosophy, a nine-hour course, Dr. Bonevac guides us through the major traditions of Western philosophy in eight engaging lectures on ethics, metaphysics, and epistemology. We explore three key ethical frameworks—virtue ethics, deontology, and consequentialism—before tackling fundamental questions about reality, from realism to idealism. The course then examines theories of knowledge, weighing skepticism’s doubt, rationalism’s innate ideas, and empiricism’s reliance on experience. Finally, we consider how these philosophical traditions continue to shape debates about morality, reality, and human understanding today.
