Christian Science preserves and transmits its teachings through a combination of written texts, institutional practices, licensed teachers and practitioners, and local congregational structures. The distinctive feature of its authority is the centrality of Mary Baker Eddy’s writings, above all Science and Health with Key to the Scriptures (first published 1875), which adherents treat as a hermeneutical key to the Bible. This textual pairing — Bible plus Science and Health — functions as a canonical core: official services read from both, and the movement’s published lesson‑sermons pair biblical passages with corresponding excerpts from Eddy. The tradition teaches that Science and Health elucidates biblical meaning; adherents hold that the two books together guide doctrine, worship and practice in a manner comparable to how a commentary is used in other religious traditions.
The tradition’s textual authority is supplemented by periodicals and a publishing infrastructure centered in Boston. The Christian Science Journal (begun in 1883) carries testimonies of healing and articles of instruction; the Christian Science Sentinel (founded 1898) publishes lectures and editorials; and The Christian Science Monitor (founded 1908) offers secular journalism shaped by the movement’s values. These publications are produced by the Christian Science Publishing Society and have been central to the movement’s internal pedagogy and public voice, providing both doctrinal exposition and pastoral counsel. In addition to periodicals, repositories such as the Mary Baker Eddy Library and archival collections located on the Christian Science Plaza in Boston preserve letters, sermons, and early editions of Eddy’s works; exhibitions and scholarly guides in these institutions offer access to primary materials and contextual documentation.
Transmission of authority to teach and to practise healing occurs through formal instruction and licensing. Mary Baker Eddy established a system of classes and certificates for teachers, and local churches maintain lists of practitioners who are authorized to undertake spiritual treatments. The Church Manual — the organizational charter rooted in Eddy’s authorship and adopted by the Mother Church — codifies governance, the role of readers in worship, and the criteria for listing practitioners and teachers. The process is not sacerdotal in the traditional clerical sense — there is no apostolic succession in the ecclesiological model of historic Catholicism — but it nevertheless creates a professional class of healers and instructors whose competence is recognized by the church. Teacher training typically involves attendance at authorized classes that study Science and Health and the Bible together; successful completion leads to a certificate that authorizes the holder to teach the class method and to prepare new teachers. Practitioners normally apply to be listed and are included in published directories such as the Journal, which historically function as a public register for those offering spiritual treatment.
Local congregational practice reinforces textual and professional authority through routine worship patterns. Sunday services normally include readings from the Bible and Science and Health read by two lay officers known as First and Second Reader; there are no ordained clergy or sacraments in the practice. Mid‑week testimony meetings and Sunday Schools for children form part of congregational life, as do committee meetings and the roles of church officers. These practices emphasize communal reading, testimony of healing experiences, and a liturgical rhythm that pairs Scripture and Eddy’s writings in each lesson‑sermon. The absence of sacramental rites and of a formal priesthood places greater weight on readers, licensed teachers, and the published texts as loci of authority.
Institutional governance is vested in the corporate structures of the Church of Christ, Scientist. Branch churches operate with boards and officers; the Mother Church in Boston (First Church of Christ, Scientist) has historically held a combination of administrative and emblematic authority. Governance documents and by‑laws define eligibility for membership, the role of readers in worship services, and the procedures for church discipline. The presence of a centralized Mother Church has, at times, produced friction between local autonomy and institutional oversight — a common dynamic in religious movements that grow from charismatic origins to centralized bodies. Scholars note that the movement’s institutional consolidation in the late 19th and early 20th centuries followed patterns similar to other new religious movements that moved from itinerant teachers to sedentary, incorporated organizations.
Authority has been contested in significant historical episodes. One notable example is the disciplinary case of Augusta Stetson, the leader of the New York church, who was disciplined and effectively expelled from the mother church’s fellowship in the early 20th century for a combination of doctrinal and administrative conflicts. Stetson’s case illustrates how the movement negotiated the limits of interpretive liberty and institutional unity: when charismatic leaders developed independent theologies or organizational practices that diverged from central authority, the church sometimes resorted to formal discipline to maintain coherence. Comparable tensions have occurred in other settings where a charismatic founder’s circle yields strong local personalities who then clash with central governance.
Another locus of contested authority concerns the interpretation of Mary Baker Eddy herself. The movement reveres Eddy’s writings, but questions about whether her texts admit of revision, retranslation, or critical historical interpretation have produced debate. Some readers insist on fidelity to particular editions and editorial choices; others advocate interpretive flexibility that allows Eddy’s work to be read in light of later scientific and cultural change. Such hermeneutical tensions are common in traditions with strong founder‑centered texts; observers compare this dynamic to comparable debates in other movements that venerate a founder’s writings, for example debates over scriptural interpretation in newer religious communities or over canon and commentary in older traditions.
Transmission of the movement beyond the United States followed patterns of missionary work, lecture tours and immigrant networks. By the early 20th century Christian Science had branch churches in Europe, Australasia, and parts of Asia and Africa, with congregations established in cities such as London, Paris, Sydney and Johannesburg. Local adaptation occurred as indigenous believers combined Eddy’s teachings with distinct cultural practices; regional publications and translation of lesson materials facilitated this spread. The movement’s newspapers and regional lecture tours by prominent teachers and practitioners helped to sustain international networks of instruction. Demographers and historians have produced varying estimates of membership; scholarly surveys note that the movement attracted a predominantly urban, often middle‑class constituency in its early decades, with a disproportionately high participation of women in both membership rolls and among listed practitioners.
The role of women in authority structures is a salient feature. From its beginning Christian Science provided spaces for women to teach and to hold leadership roles in local churches; Mary Baker Eddy’s position as a female founder gave institutional precedent for women’s leadership. This contrasts with many mainstream denominations of the period and is often cited as a social feature that attracted women to the movement. At the same time, debates about gender and authority have occurred within the movement, reflecting broader societal changes; scholarly literature emphasizes both the unusual opportunities afforded to women by Christian Science governance and the ways gender expectations shaped institutional life.
Legal and civic authority also intersects with religious authority in Christian Science. Court cases concerning child neglect, medical care, and First Amendment protections have required courts in the United States, Canada and elsewhere to weigh religious liberty claims against state interests in health and welfare. Outcomes have varied by jurisdiction and by historical era; in some instances courts have afforded deference to parental religious practices, while in others state authorities have mandated medical intervention when children’s welfare was at stake. These legal encounters reveal how religious authority is always mediated by public law and civic norms and have influenced both internal policy and public perceptions of the movement.
Finally, authority is transmitted through everyday socialization: families, Sunday Schools, and local study groups pass on practice through example and community norms. While official texts and institutions set boundaries, much of Christian Science’s vitality derives from the ordinary work of prayer, testimony, and study that is cultivated in households and branch congregations. Small‑group study of the weekly lesson‑sermon, the sharing of healing testimonies in the Journal, and the routine of home treatment by listed practitioners together form the lived pedagogy of the movement. This mixture of canonical text, licensed practice, institutional governance, and communal habituation explains both the movement’s durability and the variety of ways it is embodied in daily life.