“The safest general characterization of the European philosophical tradition is that it consists of a series of footnotes to Plato.”
–Alfred North Whitehead

Category: Heraclitus

  • Pre-order my new book ‘Crossing the Threshold’

    My new book Crossing the Threshold: Etheric Imagination in the Post-Kantian Process Philosophy of Schelling and Whitehead is now available for pre-order (thanks to Revelore Press/Integral Imprint). Orders ship on Earth Day (April 22). “Segall’s new book is a sustained blissful effort to re-infuse 21st century thought with the courage, generosity, and imagination that he himself…


  • Six Lectures on Whitehead’s ‘Process and Reality’

    Below is a series of six lectures originally recorded in 2017 going through each part of Alfred North Whitehead’s magnum opus Process and Reality.


  • In dialogue with Iain McGilchrist

    See also my blog review of McGilchrist’s new book The Matter With Things.


  • Urphänomen Reading Group – Rudolf Steiner’s “Riddles of Philosophy”

    Urphänomen Reading Group – Rudolf Steiner’s “Riddles of Philosophy”

    Below is a playlist featuring the recordings of our Urphänomen Reading Group, which is open to anyone interested (message us on Patreon or email archetypalphenomenon@gmail.com to join). New sessions will be added to this playlist as we go. We are reading the works of Rudolf Steiner, starting with Riddles of Philosophy. Next we’ll be reading…


  • Standing Firm in the Flux: On Whitehead’s Eternal Objects (draft article)

    Standing Firm in the Flux: On Whitehead’s Eternal Objects (draft article)

    The article to follow is a draft posted here for your review. As usual, I invite your comments and criticisms (Note that I have been continually updating the draft below in light of helpful feedback and my own ongoing reflection: the doctrine of eternal objects is a deep ocean, but hopefully this study at least…


  • Our Planetary Moment: A Journey Through Cosmic Time

    I was asked earlier today by someone I assume is an anti-natalist what I thought the purpose of the cosmos is. I answered that I mostly just want to encourage people to wonder about it. But I also linked to an essay I wrote 12 years ago as a sort of mythospeculative narrative intending to…


  • The Side View: Whitehead and the Physics of the World-Soul

    I joined Adam Robbert on The Side View to talk about my new book on Whiteheadian cosmology.


  • Physics of the World-Soul: Whitehead’s Adventure in Cosmology (2021)

    A new revised and expanded edition of my book Physics of the World-Soul: Whitehead’s Adventure in Cosmology is now available in paperback and electronic versions.


  • Physicalism and Its Discontents: A Study in Whitehead’s Panexperientialist Alternative [draft]

    Physicalism and Its Discontents: A Study in Whitehead’s Panexperientialist Alternative [draft]

    UPDATE: Here is a PDF of the final draft accepted for publication under the revised title “The Varieties of Physicalist Ontology: A Study in Whitehead’s Process-Relational Alternative.” I’ve just finished drafting this article, which will hopefully be featured in a special issue of the Journal of Philosophy, Theology, and the Sciences focused on panpsychism. It still…


  • Introduction to Process Philosophy

    Introduction to Process Philosophy

    Below is a lecture recorded for the online course PARP 6060 02 – Introduction to Philosophy, Cosmology, and Consciousness at CIIS.edu. I first discuss the meaning of philosophy from a Whiteheadian perspective, then run through a brief history of philosophy as relevant to process thought (Parmenides, Heraclitus, Plato, Aristotle, Copernicus, Descartes, Newton, Kant and his…


  • My Online Course this Fall: PARP 6133 – Whitehead’s Adventure in Cosmology

    My Online Course this Fall: PARP 6133 – Whitehead’s Adventure in Cosmology

    I’m teaching another online graduate course for CIIS.edu this Fall (Aug-Dec) called Whitehead’s Adventure in Cosmology: Toward a Physics of the World-Soul (PARP 6133). Here is the proposed syllabus. Auditors and Special Students are welcome to enroll. Email me at msegall@ciis.edu for more information about how to do this.


  • New Online Masters Degree in Philosophy, Cosmology, and Consciousness

    New Online Masters Degree in Philosophy, Cosmology, and Consciousness

    CIIS is accepting applications for the Fall 2017 semester for a new online masters degree program in Philosophy, Cosmology, and Consciousness with concentrations in Archetypal Cosmology, Integral Ecology, and Process Philosophy. I’ll be teaching mostly in the Process Philosophy Concentration. Check out the website for more information.    


  • Pre-Defense Dissertation Draft Completed

    My dissertation defense is on Monday morning. I’ve just finished the “pre-defense” draft. I have until April 11th to finalize the published version. Below are the abstract, table of contents, and acknowledgements.  Jacob Sherman, PhD, Chair Associate Professor, Philosophy and Religion Department, California Institute of Integral Studies   Sean Kelly, PhD Professor, Philosophy and Religion Department,…


  • Etheric Imagination in Process Philosophy from Schelling and Steiner to Whitehead

    I’ve just submitted my dissertation proposal for review. Click on the title below for the PDF. Etheric Imagination in Process Philosophy From Schelling and Steiner to Whitehead I welcome suggestions, critiques, sources, and/or extensions. Basically, I’m doing a comparative study of the philosopher Friedrich Schelling, the esotericist Rudolf Steiner, and the mathematician and cosmologist Alfred North…


  • John Sallis’ Logic of Imagination as an Example of Etheric Imagination

    Below is another section of my dissertation proposal. More to come… ……………………………………. John Sallis begins his Force of Imagination: The Sense of the Elemental (2000) by regretting the Husserlian phenomenological tradition’s tendency to subordinate imagination to pure perception in an effort to “[protect] the bodily presence of the perceived from imaginal contamination.”208 Sallis argues that…


  • Michael Marder’s Vegetal Philosophy as an Example of Etheric Imagination

    The following is excerpted from my dissertation proposal, which is tentatively titled “Etheric Imagination in Process Philosophy from Schelling to Whitehead.” I’ll be posting more selections in the coming days.  ………………………………………………….. To become rooted in the etheric forces of imagination, the process philosopher must learn to think like a plant. Michael Marder’s “vegetal metaphysics”80 provides a contemporary…


  • The Veil of Isis and the Meaning of Withdrawal

    “A good maxim,” writes Nietzsche, is too hard for the teeth of time, and all the millennia cannot succeed in consuming it, though it always serves as nourishment…(Human, All Too Human). Pierre Hadot, in his essay on the history of the idea of nature, The Veil of Isis (2006), leads his reader through 2,500 years…