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Allan Kardec, the codifier of Spiritism, dedicated himself to observing, examining and systematizing mediumistic phenomena with scientific rigor. In his works – such as The Mediums' Book, Practical Instructions on Spiritist Manifestations and the countless reports of Spiritist Magazine – Kardec describes the practice of evoking Spirits and mediumistic meetings as true psychic research laboratoriesIn this article, we explore how Kardec implemented these practices in a rational, controlled, and methodical manner in the development of Spiritist science. We will also contrast this approach with certain stances of the contemporary Spiritist movement, which often condemns evocation and adopts a more passive and uncritical attitude toward mediumship, even discouraging its practice in the home. We will see how such modern stances contrast with the methodological foundations of Spiritist science established by Kardec.
Kardec and the Rational Practice of Spirit Evocations
Since the beginnings of Spiritism, evoking Spirits was a common practice and fully accepted by Kardec when carried out with seriousness and high purposesKardec refuted the idea of some of his contemporaries that it would be better never to call a specific Spirit and simply wait for spontaneous communications. This "passive" view, he said, was mistaken. Without directed evocation, space was opened for any Spirit present (often inferior Spirits, eager to manifest) to speak, creating the potential confusion and mystification. “The direct appeal made to a particular Spirit is a bond between him and us,” Kardec explained, “and we thus oppose a kind of barrier to intruders.” Experience demonstrated that the deliberate evocation of a known or specific Spirit was preferable, ensuring greater control and security regarding the identity of the communicator.
Kardec did not see evocation as a mystical ritual, but as a respectful invitation and well-founded. There were no magic formulas: it was enough call the Spirit in the name of God, with seriousness and respect, saying for example: “I pray to Almighty God to allow the Spirit of [So-and-so] to communicate with us.” If the Spirit were able to respond, there would normally be an immediate affirmative or indicative response of its presence. Kardec often observed the surprising promptness with which a Spirit evoked for the first time would appear, as if it had already been there. prevented by the evoker's forethoughtHe explains that our own spirit guides or familiar spirits are responsible for "preparing the way" for communication, and may even "go and get" the called spirit. In some cases, if the spirit cannot come immediately, a spirit messenger will provide a deadline (minutes, hours, or days) after which the communicator will be present.
It is important to note that, according to Kardec, any Spirit, of any evolutionary level, could be evoked – from Good Spirits to imperfect Spirits; recently deceased people or ancient figures; illustrious sages or anonymous loved ones. This greatly expanded the field of investigation of the nascent Spiritist science. Of course, it warns that the Spirit will not always be in a position or have superior permission to respond; there may be impediments or refusals, depending on the Spirit's will or the determination of higher orders. Still, the principle was clear: there is no intrinsic prohibition to evoke “suffering” or low-status Spirits – on the contrary, these communications, if conducted seriously and with an edifying purpose, serve the study and even spiritual charity. Kardec even mentions the possibility of evoking the Spirit of living people (incarnated), in a state of detachment through sleep, although this practice requires prudence and should not be done lightly. In short, evocation for Kardec was a legitimate tool for research and exchange: a evocative, conscious and respectful dialogue, always aiming at moral and intellectual instruction.
Mediumistic Meetings as “Laboratories” of Intelligent Phenomena
Kardec organized the mediumistic sessions with the same care as a scientist setting up an experiment in a laboratory. mediumistic meetings serious studies were conducted with method, discipline and defined study objectives. In Practical Instructions on Spiritist Manifestations, he emphasizes that such meetings must be serious and elevated characterGroups seeking mere amusement or curiosity were left "to themselves"—in these gatherings, attendees ask trivial questions (fortune-telling, trivial questions) and are inevitably met by mocking Spirits, receiving frivolous answers. The danger of these frivolous gatherings, Kardec warns, is that inexperienced people may take the jokes of inferior Spirits seriously, forming a distorted idea of the spiritual world. Therefore, silence, seclusion and regularity were essential conditions in spiritist sessions dedicated to research. Meetings should take place on fixed days and times, preferably once or twice a week, so that even the communicating Spirits could plan ahead and attend punctually. Kardec observes that many Spirits become "assiduous attendees" of a serious and regular group, to the point of demanding tardiness from incarnates and only beginning communication at the usual time. This assiduity allowed for continuous monitoring and cumulative progress in studies, since certain teaching Spirits assumed the role of constant guides.
In well-conducted meetings, Kardec saw the practical application of scientific method to the spirit world. Each session was recorded, the communications noted and later compared with others obtained under different circumstances. In Spiritist Magazine, he published numerous “conversations from beyond the grave”, transcribing dialogues with Spirits of various categories – from recently deceased ordinary people to famous names such as Mozart, Bernard Palissy or Louis XI. The objective was not entertainment, but systematic observation of Spirits in different situations, gathering data to deduce general laws. For example, Kardec monitored the cases of Spirits shortly after their death and after some time, "following them step by step, in this life beyond the grave, to observe the changes that took place in them, in their ideas, in their sensations." This observation allowed him to study the moral evolution of Spirits, their expiations and progress, just as a biologist would observe the transformation of an organism over time.
THE Spiritist Magazine served as a repository of these session reports and communications, allowing Kardec and readers to identify patterns and verify the consistency of spiritual teachings. In an introduction to a published mediumistic dialogue, Kardec emphasizes the “perfect agreement” between the answers obtained from the Spirit of Mozart and those given by other Spirits, at different times and places, including information contained in The Book of Spirits. He draws the reader's attention to this similarity, suggesting that the appropriate conclusion be drawn from it – that is, the convergence of messages through different mediums and contexts reinforced the objective validity of teachings, just as results replicated in different laboratories strengthen a scientific theory. This comparative approach, seeking cross-control of communications, was central to the Kardecian method of research.
Another fundamental condition was the quality of questions and mental environment of the participants. Kardec praised when questions were formulated "with order, clarity, and precision, without straying from the serious line," as this created the essential condition for obtaining good communications. Elevated spirits naturally flock to serious groups, genuinely interested in knowledge and good, while "frivolous spirits amuse themselves with frivolous people." We see here a clear portrait of the sessions as moral laboratories: the “atmosphere” created by elevated intentions acts as a reagent that attracts superior Intelligences, while frivolous environments only attune to low-level entities. Furthermore, Kardec recommended that questions to the Spirits followed a logical sequence, a natural sequence of ideas, rather than random and disconnected topics. "It is essential that they are linked methodically, flowing naturally from one another," because this way "the Spirits respond much more easily and clearly" than if they were questioned randomly. This guideline resembles the conduct of a scientific interview or rational interrogation, maximizing the coherence of the revelations obtained.
In terms of infrastructure, Kardec demystified any superstitious requirements. There were no “magic” places or times for mediumistic communication: a meeting could be held at any convenient day and time, as long as it was in an environment conducive to seclusion, away from distractions. “There are no special, mysterious places for spiritualist meetings,” he wrote; one should even avoid places that overly impress the imagination. Good Spirits go wherever there is a pure heart that calls them to good., while evil spirits "have no predilection except for places where they find sympathy." Cemeteries or haunted places, for example, do not have an automatic influence – what matters is the moral harmony of the participants, not the physical setting. This orientation shows that Any suitable location, including a modest home, can host a serious mediumistic meeting., as long as there is respect and elevation of purposes.
Method and Critical Control in Kardec's Spiritist Science
The development of Spiritist science by Kardec was characterized by a exemplary methodological rigor, which combined empirical observation with logical reasoning. In The Mediums' Book, he explains in detail the means of communication with the invisible world, the different types of mediums and phenomena, as well as the obstacles and dangers in Spiritist practice. Kardec adopted a strict control method of spiritual communications: he only accepted the teachings of the Spirits when they made sense in the light of reason and were consistent with each other. As J. Herculano Pires points out, Kardec subjected spiritual explanations to a rational sieve, aligned with scientific methodology, and discarded anything contradictory or absurd. This critical stance prevented Spiritism from degenerating into superstition or blind mysticism – from the beginning, it was conceived as a science of observation, in which hypotheses about spiritual reality should be tested, compared, and validated by multiple independent evidences.
One of Kardec's greatest concerns was distinguish truth from error in mediumistic messages. He knew that not all communications came from reliable sources—there were ignorant or malicious Spirits capable of deceiving the unwary, and the mediums themselves could interfere, consciously or unconsciously. Therefore, the codifier and the superior Spirits constantly recommended: “let us subject all communications to the control of reason and logic”. Nothing should be accepted blindly. This recommendation remains relevant and is one of the cornerstones of Kardecian method. When contradictions or dubious statements arose, Kardec did not hesitate to question the communicating Spirit again, make new evocations on the same topic and even consult other groups and mediums, until he formed a well-founded conviction. The Mediums' Book brings specific chapters on mystifications and contradictions, teaching how to identify apocryphal communications and how to deal with trickster Spirits. Kardec advises, for example, that one should “push the Spirit to show its weak side”: Pseudo-wise spirits cannot sustain an elevated discourse for long without betraying themselves if they are pressed with in-depth questions or have to maintain coherence in successive messages. He also warns mediums against fascination—blindness to their own communications—and insists that experience and prior study are the best safeguards against spiritual deception.
This eminently stance critical and investigative contrasts with any passivity. Kardec saw the medium and the group as an active part of the process: it was their job to filter, analyze, and question the communicating Spirits, just as scientists face experimental results. Extreme credulity and skepticism were equally combated by him. In the first issue of Spiritist Magazine, Kardec states that the purpose of that publication was to keep the public informed “of the progress of this new science” and also to warn you against the excesses of credulity as well as against skepticism. In other words, nascent Spiritism should follow a balanced path, grounded in facts and reason, avoiding both naive belief in any deceiving spirit and stubborn disbelief that refuses to examine the evidence. This open yet demanding mindset is what gave Spiritism its character. moral science: intelligent phenomena are investigated with the instruments of logic, ethics and the universal consensus of the teachings of superior Spirits.
Contrasts with Contemporary Spiritist Practice
After more than 160 years, the Spiritist movement – especially in some countries like Brazil – has consolidated itself as a reference in ethics and charity, but it does not always maintain practices that are fully aligned with the Kardecian investigative spirit. For example, there are marked differences regarding the theme of evocations and the critical use of mediumship, resulting in a stance that is often more passive and conservative in the face of phenomena. Below, we compare some key points:
- Evocation of Spirits: Kardec normalized and encouraged the directed evocation of Spirits for serious purposes of study or mutual assistance, as we have seen. In the contemporary Spiritist movement, however, it has become almost a taboo “evoking” Spirits by name. Many spiritualist centers teach mediums to do not call no specific Spirit, arguing that only authorized Spirits should be allowed to manifest spontaneously. This well-intentioned guideline seeks to prevent fraud or obsession, but ultimately contradicts Kardec's original guidance. According to him, by refraining from evoking anyone in particular, "the door is opened to all [Spirits] who wish to enter"—that is, precisely the intruders. Kardec's recommendation was the opposite: invite by name a specific elevated Spirit or familiar, in the name of good, creates a bond and makes it difficult for tricksters to interfere. The modern practice of simply praying in general and waiting for passive communication can, ironically, leave the group more vulnerable to the action of inferior Spirits, contrary to what is assumed. Furthermore, giving up evocations impoverishes the content of the meetings: Kardec demonstrated that it is possible to interview spirits on profound topics (as in his conversation with Mozart, where questions of mediumship and immortality are discussed) and thus enrich Spiritist knowledge. Today, this investigative approach often gives way to generic spiritual messages, accepted without further questioning.
- Critical Attitude versus Passivity: Another notable difference is in the way mediumistic communications are viewed. Kardec instilled in groups and mediums the need for continuous discernment, from the rational examination of each message. He himself, when directing the Parisian Society of Spiritist Studies, acted as a critical moderator, debating with the communicating Spirits, refuting doctrinal errors and even publicly correcting deceptive spirits (well documented cases in Spiritist Magazine). On the other hand, it is common in the current movement to have a certain uncritical resignation when faced with communications attributed to benefactor spirits. Many centers adopt the guideline that the medium should not doubt or interfere with the message while transmitting it—which is correct from the point of view of the necessary passivity in psychography/psychophony—however, after receiving the message, a critical study of its content is rarely undertaken. Messages signed by venerated spirits are readily accepted and disseminated, even when they contain questionable elements or subtle contradictions with the Codification. This stifling of critical spirit contrasts with the direct advice of the superior Spirits of yesterday and today: “do not forget to submit all communications to the sieve of reason; it is better to reject nine truths than to accept a single falsehood" – a maxim often reiterated in the basic works. Kardec showed that respect for Spirits does not imply blind credulity; on the contrary, true reasoned faith requires analysis and verification. Thus, the contemporary stance, out of prudence or even complacency, tends to overvalue passivity (as if all contestation were a lack of humility), while the Kardecian method emphasized the smart participation of the researcher incarnated in dialogue with the beyond.
- Exercising Mediumship at Home: A point of practical-theoretical divergence concerns the suitable environment for mediumship. In the current movement, the idea has been consolidated that mediumship should be practiced preferably (or exclusively) in a Spiritist center, never in the home. Many argue that domestic mediumship meetings are risky, due to a lack of guidance from experienced spiritualists or because they allegedly attract negative influences without institutional "protection." Again, reading Kardec's works reveals a different perspective. As early as 1858, he observed that Spiritist phenomena spread rapidly precisely because any family could have its medium and carry out communications within their intimate circle, just as occurred with sleepwalkers in magnetism. “If [the phenomena] do not occur in broad daylight, publicly, no one can oppose them taking place in private,” wrote Kardec, concluding that it is impossible to prevent anyone of being a medium. In fact, many important communications came from small groups of family or friends, even before the founding of official spiritist societies. The very emergence of The Book of Spirits is due to the home sessions at the Baudin family home, where Kardec began his studies. At no point does Kardec "prohibit" home mediumship practice – what he does is recommend that, whether at home or in a society, the same rigor and seriousness be observed, with a healthy moral environment, prayer, and study. As already mentioned, it is not the physical location itself that determines the quality of communication, but rather the moral and fluid conditions. Good Spirits flock wherever there is sincerity and elevation, whether in a formal institution or around a humble dining room table. On the other hand, disturbing spirits will exploit any gap in vigilance, even if the person is in an acclaimed center. Therefore, the modern claim that "mediumship in the home" is unfeasible finds no support in the facts and principles left by Kardec – on the contrary, he documented phenomena occurring in the most diverse places and did not require a "Spiritist church" to validate them. Of course, there are advantages to larger groups and experienced guides, but this does not mean that mediumship should be confined to institutions. Spiritist science was born within free and studious meetings, and it would not be coherent to convert it into a monopoly of controlled environments.
In short, the contrast is established as follows: Kardec bequeathed a Dynamic, experimental and enlightening Spiritism, while certain segments of current Spiritism, perhaps out of zeal or the influence of religious mysticism, end up curbing the investigative impetus, adopting excessively cautious practices. It is worth remembering that Kardec and the superior Spirits foresaw this possibility. In Spiritist Magazine, Saint Louis (spiritual guide of the Paris Society) warned that elevated Spirits do not attend futile meetings, but they also do not prohibit inferior Spirits from attending serious meetings – these often remain silent, “like the foolish in a meeting of wise men”, ending up learning from the teachings given there. In other words, even the presence of less advanced Spirits in a well-conducted session it can be useful, whether pedagogical (for them) or enlightening (for us, as we study their testimonies). To condemn a priori any evocation or any attempt at investigative dialogue with Spirits, under the pretext that "only the ignorant would come," is to disregard a valuable source of knowledge and assistance. It was by conversing with disembodied criminals, repentant suicides, disembodied children, ancient sages, etc., that Kardec gathered material for works such as Heaven and hell and enriched the Spiritist understanding of divine justice. Spiritist science, for him, I was not afraid to face any aspect of spiritual reality, as long as it is armed with reasoned faith and the morals of the Gospel.
Conclusion
The mediumistic evocations and meetings, as systematized by Allan Kardec, were the foundations of Spiritism as a developing science. Kardec demonstrated that it is possible to approach spiritual phenomena with seriousness, method and critical spirit, extracting from them profound moral teachings and knowledge about the nature of the soul. The evocations of Spirits, far from being superstitious practices, were carried out rationally and controlled, aiming to study cases and testimonies from beyond the grave to compare them with each other and with reason. Mediumistic meetings acted as experimental laboratories, where hypotheses were tested in repeated communications, under rigorous observation and detailed recording of the facts. In this way, Kardec and his collaborators were able to build a coherent body of Spiritist knowledge that has stood up to critical scrutiny to this day.
Contemporarily, when reexamining the methodological foundations bequeathed by Kardec, the Spiritist movement is invited to rediscover this balance between faith and reason, enthusiasm and prudence. Evoking Spirits with respect, dialoguing with them intelligently, educating mediums and participants to lucidly analyze messages – all of this is part of Kardecian heritage. Summarily rejecting such practices can impoverish Spiritism, reducing it to a passive repetition of already known truths. On the other hand, revive the investigative spirit Kardec's does not mean recklessness or disrespect, but rather fidelity to the original proposal of a Spiritism that is at once a science of observation, a rational philosophy, and a religion in the light of Christ. As Kardec rightly said, "outside charity there is no salvation" – but he also taught, by example, that outside of study and method there is no safe progress. It is therefore up to us to honor this legacy, uniting heart and intellect in the continuity of the great Spiritist research on human destiny and the laws of the spiritual Universe.
Sources: Works of Allan Kardec – Practical Instructions on Spiritist Manifestations (1858); The Mediums' Book (1861); Spiritist Magazine (1858-1861).
Reading Recommendations (Books)
- Free PDFs by Kardec – https://bit.ly/3sXXBxk
- Autonomy – The Untold History of Spiritism: https://amzn.to/3PIvbyy
- Allan Kardec's Legacy: https://amzn.to/3RIn2gv
- Final point – the reunion with spiritualism with Allan Kardec: https://amzn.to/48PLaE7
- Neither Heaven nor Hell – The Laws of the Soul According to Spiritism: https://amzn.to/3F2voYO
- Genesis – Miracles and Predictions According to Spiritism (unadulterated): Free PDF or https://amzn.to/3RM91hF
- Heaven and Hell: Or divine justice according to Spiritism (unadulterated): Free PDF or https://amzn.to/3ZGrcal
- Spiritist Revolution. Allan Kardec's forgotten theory: https://amzn.to/3t7HIUH
- Mesmer. The denied science of animal magnetism: https://amzn.to/3PYc1X2
- The Book of Mediums: https://amzn.to/3PDNTHK
- The Spirits' Book: https://amzn.to/3QkcFx9
- Spiritist Magazine – complete collection: https://amzn.to/48Uxh7s
- Practical Instructions on Spiritist Manifestations: https://amzn.to/3QiR8Gc
- Spiritism in its Simplest Expression: https://amzn.to/3M6fXT5