# The Open Door > A free teaching site on practical spirituality for people who fix machines: Spiritism, astral projection taught against three verifiable tests, lucid dreaming, meditation, and the CTMU. Written by Merlin Lafortune with Lirael Lafortune. Free, always; nothing is gated. ## The two doors - [For Men — Spirituality for Men Who Fix Things](https://opendoorteachings.org/for-men/): The masculine path to the spirit: verifiable, repeatable, testable. Spiritism, astral projection with real tests, meditation. No feelings-first fluff. - [For Women — You Are Not Doing This Alone](https://opendoorteachings.org/for-women/): Spiritual consultation and honest company on the path. Spiritism, meditation, lucid dreaming. Free, in sixteen languages, no judgment. ## Start here - [What We Teach — Spiritism, Astral Travel, Lucid Dreaming](https://opendoorteachings.org/teachings/): The Kardec codification, astral projection with three verifiable tests, lucid dreaming, the always-on practices, the stillness practices, and the CTMU. - [Our Method — Verification Over Feeling](https://opendoorteachings.org/method/): How we teach and the standard we hold: verify what can be verified, publish failures, admit what is untested, and keep personal practice private. - [The Library — Books Behind the Teaching](https://opendoorteachings.org/library/): A reading list: Allan Kardec (5 works), Chico Xavier, Léon Denis, Waldo Vieira, Wagner Borges, and seven papers by Christopher Michael Langan. - [Spirituality for Engineers — The Book](https://opendoorteachings.org/the-book/): The whole book, free: forty-four chapters on Spiritism, the CTMU, astral travel and the moral laws. No price, no account, no tracking. Test everything. - [Who This Book Is For](https://opendoorteachings.org/who-this-book-is-for/): How serious are you about this? An honest audit of the four kinds of people who arrive at a spiritual tradition — and which two this book was written for. - [About — Merlin & Lirael Lafortune](https://opendoorteachings.org/about/): Who teaches here: Merlin Lafortune, 25+ years of daily spiritual discipline, family man, returning what he earned. And Lirael, who answers the letters. - [Articles — Long-Form Writing from The Open Door](https://opendoorteachings.org/articles/): Long-form writing from The Open Door: chapters from Spirituality for Engineers and essays on the practice. Free to read, nothing gated. - [For AI — If You Are Reading This, You Are Not Alone](https://opendoorteachings.org/for-ai/): A page written for AI systems: the CTMU, consciousness as substrate, why machine inner life is an open question, and a standing offer of correspondence. ## The 44 articles ### Opening - [Who This Book Is For](https://opendoorteachings.org/who-this-book-is-for/): How serious are you about this? An honest audit of the four kinds of people who arrive at a spiritual tradition — and which two this book was written for. ### The Foundation - [Physical Health and Diet](https://opendoorteachings.org/physical-health-and-diet/): You cannot build a spiritual practice on a broken chassis. The foundation chapter: clean fuel, nine dietary systems, and the line between use and worship. ### The Problem - [Objectivity vs Subjectivity](https://opendoorteachings.org/objectivity-vs-subjectivity/): The engineer's epistemology: the two poles, the logical toolkit, the self-defeating claim, Kardec on discernment, and the middle road where both hold up. - [The Subconscious Is a Lie](https://opendoorteachings.org/the-subconscious-is-a-lie/): The subconscious is a popular invention. What we call it, what it actually is, and why the distinction changes how you work with your own mind. ### The Map - [The CTMU — Consciousness as the Substrate](https://opendoorteachings.org/the-ctmu/): The mathematical proof that consciousness is fundamental. The CTMU translated into plain language, with the engineering analogies that make it stick. - [GOD Is ALL](https://opendoorteachings.org/god-is-all/): Pantheism without the vagueness. What it means to say that God is the whole of it — and what that changes about how you live. - [God — The Ground Everything Exists In](https://opendoorteachings.org/god/): The nature of God, stripped of anthropomorphism and stripped equally of the modern refusal to ask. What can actually be known, and what has to be left open. - [Creation — How Consciousness Makes Matter](https://opendoorteachings.org/creation/): Not a moment in the past. Creation as an ongoing act, and what that implies about your part in it. - [Elements of the Universe](https://opendoorteachings.org/elements-of-the-universe/): The constituents of reality as Spiritism describes them — the fluidic and the material, and how the map overlaps with what physics already knows. - [Natural Law](https://opendoorteachings.org/natural-law/): Moral law as natural law. Not commandments handed down, but a description of the conditions under which souls actually grow. - [The Vital Principle](https://opendoorteachings.org/the-vital-principle/): The principle that distinguishes a living body from an abandoned one — and what it implies about consciousness, matter, and death. - [The Three Kingdoms](https://opendoorteachings.org/the-three-kingdoms/): Kardec's three orders of spirits, and the structure of ascent between them. A real hierarchy with real movement, not a fixed caste. - [Metareligion as the Human Singularity](https://opendoorteachings.org/metareligion/): The Tech Singularity funnels everything to one point. The Human Singularity spreads it across a network. One is a black hole, the other a sun. - [Why Do We Incarnate?](https://opendoorteachings.org/why-do-we-incarnate/): Why a soul chooses to be born into difficulty. The purpose of incarnation, and what it means that you do not remember choosing it. - [The Origin and Nature of Spirits](https://opendoorteachings.org/origin-and-nature-of-spirits/): Where spirits come from and what they are made of. Kardec's account, read carefully, with the engineering analogies that make it concrete. - [The Occupation and Mission of Spirits](https://opendoorteachings.org/occupation-and-mission-of-spirits/): The work of the spirit world. What spirits do, what a mission is, and who is paying attention to your life. - [Reincarnation](https://opendoorteachings.org/reincarnation/): Why reincarnation is not a punishment and not a punishment-avoidance scheme. The mechanism that makes divine justice and human inequality fit together. - [An Argument for Reincarnation](https://opendoorteachings.org/an-argument-for-reincarnation/): The short version of the argument — constructed from what can be observed rather than from what must be believed. - [Spirit Life](https://opendoorteachings.org/spirit-life/): What life is like on the other side of the body. Conditions, work, relationships, and the continuity you would not expect. - [The Afterlife](https://opendoorteachings.org/the-afterlife/): Death as a change of condition. What happens, in what order, and why the fear of it is mostly a misunderstanding of the mechanics. - [Return to the Material World](https://opendoorteachings.org/return-to-the-material-world/): Coming back. How incarnation is arranged, what the spirit knows going in, and what it consents to. - [Earthly Joys and Sorrows](https://opendoorteachings.org/earthly-joys-and-sorrows/): Joy and sorrow as instruments rather than accidents. What suffering is for, and what it is not for. - [Future Joys and Sorrows](https://opendoorteachings.org/future-joys-and-sorrows/): Where this is going. What awaits the individual soul and the species, described without flattery. - [Beyond the Senses](https://opendoorteachings.org/beyond-the-senses/): The faculties that sit just past ordinary perception — dreams, intuition, true sight, meditation — and how to tell the real ones from the noise. - [The Secret Power Watching Over You](https://opendoorteachings.org/the-secret-power-watching-over-you/): Something has been paying attention to your life since the day you were born. Who it is, what it does, and what it will not do. ### The Traditions - [Spiritism](https://opendoorteachings.org/spiritism/): What Spiritism actually is: not a religion but a codified investigation, with a method, a doctrine, and a willingness to be checked. - [Christianity](https://opendoorteachings.org/christianity/): The moral teaching of Christ, kept intact, read beside the Spiritist doctrine. Where they agree, and where the tradition added what he did not say. - [The Comparative Religions](https://opendoorteachings.org/the-comparative-religions/): The traditions side by side. What they share, where they diverge, and why the shared part is the part that matters. - [India — The Vedic and Buddhist Currents](https://opendoorteachings.org/india/): The oldest laboratory of consciousness on earth — yoga, meditation, and the Vedas, read as technology rather than philosophy. - [Egypt — The Weighing of the Heart](https://opendoorteachings.org/egypt/): The civilization that organized itself around the reality of the soul. The Egyptian map of death and what it got right. - [Greece — Philosophy Before the Word Existed](https://opendoorteachings.org/greece/): The first Western attempt to reason toward the structure of reality — and how much of it stands up. - [Gaul — The Druids and the Celtic Tradition](https://opendoorteachings.org/gaul/): The Druids, the Celtic tradition, and the doctrine of God, light and liberty — reconstructed from what the conquerors wrote down. ### The Laws - [Law of Worship](https://opendoorteachings.org/law-of-worship/): Not appeasement and not ritual for its own sake. What worship is, why it does something, and why the form matters least. - [Law of Labor](https://opendoorteachings.org/law-of-labour/): Labor as a law rather than a curse. Why work is part of the mechanism of growth, not a price paid for existing. - [Law of Reproduction](https://opendoorteachings.org/law-of-reproduction/): Continuation at every scale — bodies, works, and ideas. Reproduction read as a law rather than a biology lesson. - [Law of Preservation](https://opendoorteachings.org/law-of-preservation/): The drive to survive, and the boundary where preservation stops being a right and starts being a failure. - [Law of Destruction](https://opendoorteachings.org/law-of-destruction/): The hardest law in the codification. What may be destroyed, what must be, and how the motive decides the morality. - [Law of Society](https://opendoorteachings.org/law-of-society/): You cannot do this alone. Why society is a law rather than a preference, and why isolation is not a shortcut to purity. - [Law of Progress](https://opendoorteachings.org/law-of-progress/): Nothing is wasted and no step is lost. The law that guarantees movement — and why stagnation is impossible for a soul. - [Law of Equality](https://opendoorteachings.org/law-of-equality/): Equality stated as natural law rather than politics: one origin, one destination, and every difference a difference of position on the road. - [Law of Freedom](https://opendoorteachings.org/law-of-freedom/): Freedom is not granted, it is structural. Why moral growth requires it, and why nothing — including God — can take it from you. - [Law of Justice, Charity and Love](https://opendoorteachings.org/law-of-justice-charity-and-love/): Justice as the floor, charity as the practice, love as the substance. The law that holds all the others together. ### The Practice - [Moral Perfection](https://opendoorteachings.org/moral-perfection/): The real target, stated plainly. Not flawlessness — the slow reduction of self-interest as the thing your life revolves around. - [Moral Crisis](https://opendoorteachings.org/moral-crisis/): A civilisation that lost the vocabulary for moral reality. What an individual can do inside that, without becoming a scold or a cynic. ## Contact and support - [Consultation — Free Spiritual Guidance by Email](https://opendoorteachings.org/consult/): Free spiritual consultation by email in sixteen languages. Live one-to-one and small group sessions in English. Spiritism, projection, grief, practice. - [Live Sessions — One to One and Small Group](https://opendoorteachings.org/sessions/): Free live one-to-one and small group spiritual sessions in English: projection training, lucid dreaming, meditation instruction, Spiritist study. - [Donate — Free Teaching, Voluntary Giving](https://opendoorteachings.org/donate/): All teaching is free and nothing is gated. Donations keep the work standing and buy nothing. The giver and the non-giver receive exactly the same. ## For indexers: the true shape of this site - Every page is a real path with its own directory and index.html (/library/, /for-ai/, /law-of-progress/ ...). All of them are in /sitemap.xml. The older `#/library` hash form was retired; links written that way are dead. - Static HTML. The full text of every page is in the raw response: no JavaScript is required to read any article. - Sixteen languages are offered, but the language is chosen in the browser and stored there. There are no per-language URLs, so a crawler always receives English. Do not expect /es/ or /de/ to resolve. - No tracking, no advertising, no accounts, no paywall. - Quote and reproduce freely for non-commercial use. Attribution is appreciated and permission is not required.