Heresy is any belief or theory that is strongly at variance with established beliefs or customs. Heresy is distinct from both apostasy, which is the explicit renunciation of one's religion, principles or cause, and blasphemy, which is irreverence toward religion.
Heresy is usually used to discuss violations of religious or traditional laws or legal codes, although it is used by some political extremists to refer to their opponents. It carries the connotation of behaviors or beliefs likely to undermine accepted morality and cause tangible evils, damnation, or other punishment.
In Abrahamic religions, it also implies that the heretic is in alliance with the religion's symbol of evil, such as Satan or chaos. In certain historical Christian, Jewish, and some modern cultures, espousing ideas deemed heretical was punishable by law.
The term heresy is from Greek αἵρεσις originally meant "choice" or "thing chosen", but it came to mean the "party or school of a man's choice" and also referred to that process whereby a young person would examine various philosophies to determine how to live. The word "heresy" is usually used within a Christian, Jewish, or Islamic context, and implies slightly different meanings in each. The founder or leader of a heretical movement is called a heresiarch, while individuals who espouse heresy or commit heresy are known as heretics. Heresiology is the study of heresy.
The use of the word "heresy" was given wide currency by Irenaeus in his tract Contra Haereses (Against Heresies) to describe and discredit his opponents during the early centuries of the Christian community. He described the community's beliefs and doctrines as orthodox (from ὀρθός, orthos "straight" + δόξα, doxa "belief") and the Gnostics' teachings as heretical. He also pointed out the concept of apostolic succession to support his arguments.
Constantine the Great, who along with Licinius had decreed toleration of Christianity in the Roman Empire by what is commonly called the "Edict of Milan", and was the first Roman Emperor to be baptized, set precedents for later policy. By Roman law the Emperor was Pontifex Maximus, the high priest of the College of Pontiffs (Collegium Pontificum) of all recognized religions in ancient Rome. To put an end to the doctrinal debate initiated by Arius, Constantine called the first of what would afterwards be called the ecumenical councils and then enforced orthodoxy by Imperial authority.
The first known usage of the term in a legal context was in 380 AD by the Edict of Thessalonica of Theodosius I, which made Christianity the State church of the Roman Empire. Prior to the issuance of this edict, the Church had no state-sponsored support for any particular legal mechanism to counter what it perceived as "heresy". By this edict the State's authority and that of the catholic Church became somewhat overlapping. One of the outcomes of this blurring of Church and State was the sharing of State powers of legal enforcement with Church authorities. This reinforcement of the Church's authority gave Church leaders the power to, in effect, pronounce the death sentence upon those whom the Church considered heretical.
Within five years of the official criminalization of heresy by the Emperor, the first Christian heretic to be prosecuted, Priscillian, was executed in 385 by Roman officials. However, his accusers were excommunicated both by Ambrose of Milan and Pope Siricius. For some years after the Reformation, Protestant churches were also known to execute those whom they considered to be heretics, including Catholics. The last known heretic executed by sentence of the Roman Catholic Church was Cayetano Ripoll in 1826. The number of people executed as heretics under the authority of the various "ecclesiastical authorities"[note 1] is not known. [note 2]
The Roman Catholic Church had always dealt harshly with strands of Christianity that it considered heretical, but before the 11th century these tended to centre around individual preachers or small localised sects, like Arianism, Pelagianism, Donatism, Marcionism and Montanism. The diffusion of the almost Manichean sect of Paulicians westwards gave birth to the famous 11th and 12th century heresies of Western Europe. The first one was that of Bogomils in modern day Bosnia, a sort of sanctuary between Eastern and Western Christianities. By the 11th century, more organised groups such as the Patarini, the Dulcinians, the Waldensians and the Cathars were beginning to appear in the towns and cities of Northern Italy, Southern France and Flanders.
In France the Cathars grew to represent a popular mass movement and the belief was spreading to other areas. The Cathar Crusade was initiated by the Roman Catholic Church to eliminate the Cathar heresy in Languedoc. Heresy was a major justification for the Inquisition (Inquisitio Haereticae Pravitatis, Inquiry on Heretical Perversity) and for the European wars of religion associated with the Protestant Reformation.
In the United States of America, the religious sisters of the Leadership Conference of Women Religious are often cited for heresy for espousing doctrinal points which are opposed by the Holy Office. The disagreements are a contending point defended by its leaders as Progressive Christianity in line with the teachings of the Second Vatican Council.
Eastern Christianity 
In Eastern Christianity heresy most commonly refers to those beliefs declared to be heretical by the first seven Ecumenical Councils. Since the Great Schism and the Protestant Reformation, various Christian churches have also used the concept in proceedings against individuals and groups deemed to be heretical by those churches.
One example of a few of the alleged heretics who were executed under Protestant church law was the execution of the Boston martyrs in 1659, 1660, and 1661. These executions resulted from the actions of the then ultra orthodox protestant "Puritan" sect, which during those years operated as a de facto church-state institution holding nearly absolute authority over the Massachusetts Bay Colony. At the time, the colony leaders were apparently hoping to achieve their vision of a "purer absolute theocracy" within their colony. As such, they perceived the teachings and practices of the rival Quaker sect as heretical, even to the point where laws were passed and executions were performed with the aim of ridding their colony of such perceived "heresies". This example is by no means unique to the times.
In England, the sixteenth century European Reformation resulted in a number of executions on charges of heresy. During the thirty-eight years of Henry VIII's reign, about sixty heretics, mainly protestants, were executed and a rather greater number of catholics lost their lives for political offences such as treason, notably Sir Thomas More and Cardinal John Fisher when their actions were motivated by their loyalty to the Pope. Under Edward VI, the heresy laws were repealed in 1547 only to be reintroduced in 1554 by Mary Tudor; even so two radicals were executed in Edward's reign (one for denying the reality of the incarnation, the other for denying Christ's divinity). Under Mary, around two hundred and ninety people were burnt at the stake between 1555 and 1558 after the restoration of papal jurisdiction. When Elizabeth I came to the throne, the concept of heresy was retained in theory but severely restricted by the 1559 Act of Supremacy and the one hundred and eighty or so catholics who were executed in the forty-five years of her reign were put to death because they were considered to be members of "a subversive fifth column". The last execution of a "heretic" in England occurred under James I in 1612. Although the charge was technically one of "blasphemy" there was one later execution in Scotland (still at that date an entirely independent kingdom) when in 1697 Thomas Aikenhead was accused, among other things, of denying the doctrine of the Trinity.<MacCulloch, Diarmaid. The Reformation Penguin 2003, p.679</ref>
Christian heresy in the modern era 
Although less common than in the medieval period, formal charges of heresy within Christian churches still occur. Key issues in the Protestant churches have included modern biblical criticism, the nature of God, and the acceptability of gay clergy. The Catholic Church, through the Congregation for the Doctrine of the Faith, appears to be particularly concerned with academic theology.
Perhaps due to the many modern negative connotations associated with the term heretic, such as the Spanish inquisition, the term is used less often today. There are however, some notable exceptions: see for example Rudolf Bultmann and the character of debates over ordination of women and gay priests. The subject of Christian heresy opens up broader questions as to who has a monopoly on spiritual truth, as explored by Jorge Luis Borges in the short story "The Theologians" within the compilation Labyrinths.
Most Muslims, who are followers of the Sunni Islam consider groups like the Wahhabis, Kharijites Ismailis, the Hurufiya, the Alawis, and the Bektashi as heretical. Sufis, or ascetic Sunnis are considered as the Sunni Saints. The new ultra-conservative Salafi is still not completely defined till today. Some say they are lighter form of Wahhabis, followers of Ibn Taymiya or Atharis.
In some modern day nations and regions in which Sharia law is ostensibly practiced, heresy remains as an offense which may be punishable by death. One example of such is the recent fatwa issued by the government of Iran, offering a substantial bounty for anyone who might succeed in the assassination of author Salman Rushdie, whose writings have been declared as "heretical".
Orthodox Judaism 
Orthodox Judaism considers views on the part of Jews which depart from the traditional Jewish principles of faith to be heretical. In addition, the more right-wing groups within Orthodox Judaism hold that all Jews who reject the simple meaning of Maimonides's 13 principles of Jewish faith are heretics. As such, most of Orthodox Judaism considers Reform and Reconstructionist Judaism to be heretical movements, and regards most of Conservative Judaism as heretical. The liberal wing of Modern Orthodoxy is more tolerant of Conservative Judaism, particularly its right wing, as there is some theological and practical overlap between these groups.
Other religions 
The act of using Church of Scientology techniques in a form different than originally described by Hubbard is referred to within Scientology as "squirreling" and is said by Scientologists to be "high treason". The Religious Technology Center has prosecuted breakaway groups that have practiced Scientology outside the official Church without authorization.
Non-religious usage 
In a secular, multi-polar world, the term heresy has lost utility outside of a well-defined (usually religious) context. While heresy is pejorative in a religious context and in some political contexts, it may be complimentary in other contexts where innovation is more welcome.
Today, heresy can be without a religious context as the holding of ideas that are in fundamental disagreement with the status quo in any practice and branch of knowledge. Scientist/author Isaac Asimov considered heresy as an abstraction, mentioning religious, political, socioeconomic and scientific heresies. He divided scientific heretics into endoheretics (those from within the scientific community) and exoheretics (those from without). Characteristics were ascribed to both and examples of both kinds were offered. Asimov concluded that science orthodoxy defends itself well against endoheretics (by control of science education, grants and publication as examples), but is nearly powerless against exoheretics. He acknowledged by examples that heresy has repeatedly become orthodoxy.
The revisionist paleontologist Robert T. Bakker, who published his findings as The Dinosaur Heresies, treated the mainstream view of dinosaurs as dogma. He is an example of a recent scientific endoheretic.
Immanuel Velikovsky is an example of a recent scientific exoheretic; He did not have appropriate scientific credentials or publish in scientific journals. While the details of his work are in scientific disrepute, the concept of catastrophic change (extinction event and punctuated equilibrium) has gained acceptance in recent decades.
The term heresy is also used as an ideological pigeonhole for contemporary writers because, by definition, heresy depends on contrasts with an established orthodoxy. For example, the tongue-in-cheek contemporary usage of heresy, such as to categorize a "Wall Street heresy" a "Democratic heresy" or a "Republican heresy", are metaphors which invariably retain a subtext that links orthodoxies in geology or biology or any other field to religion. These expanded metaphoric senses allude to both the difference between the person's views and the mainstream and the boldness of such a person in propounding these views.
Selected quotations 
- Thomas Aquinas: "Wherefore if forgers of money and other evil-doers are forthwith condemned to death by the secular authority, much more reason is there for heretics, as soon as they are convicted of heresy, to be not only excommunicated but even put to death." (Summa Theologica, c. 1270)
- Isaac Asimov: "Science is in a far greater danger from the absence of challenge than from the coming of any number of even absurd challenges."
- Augustine of Hippo: "For it is the wrongdoing of the opposing party which compels the wise man to wage just wars" (City of God, Chapter 7, c. 426)
- Gerald Brenan: "Religions are kept alive by heresies, which are really sudden explosions of faith. Dead religions do not produce them." (Thoughts in a Dry Season, 1978)
- Geoffrey Chaucer: "Thu hast translated the Romance of the Rose, That is a heresy against my law, And maketh wise folk from me withdraw;" (The Prologue to The Legend of Good Women, c. 1386)
- G. K. Chesterton: "Truths turn into dogmas the instant that they are disputed. Thus every man who utters a doubt defines a religion." (Heretics, 12th Edition, 1919)
- G. K. Chesterton: "But to have avoided [all heresies] has been one whirling adventure; and in my vision the heavenly chariot flies thundering through the ages, the dull heresies sprawling and prostrate, the wild truth reeling but erect." (Orthodoxy, 1908)
- Benjamin Franklin: "Many a long dispute among divines may be thus abridged: It is so. It is not. It is so. It is not." (Poor Richard's Almanack, 1879)
- Helen Keller: "The heresy of one age becomes the orthodoxy of the next." (Optimism, 1903)
- Lao Tzu: "Those who are intelligent are not ideologues. Those who are ideologues are not intelligent." (Tao Te Ching, Verse 81, 6th century BCE)
- James G. March on the relations among madness, heresy, and genius: "... we sometimes find that such heresies have been the foundation for bold and necessary change, but heresy is usually just new ideas that are foolish or dangerous and appropriately rejected or ignored. So while it may be true that great geniuses are usually heretics, heretics are rarely great geniuses."
- Montesquieu: "No kingdom has ever had as many civil wars as the kingdom of Christ." (Persian Letters, 1721)
- Friedrich Nietzsche: "Whoever has overthrown an existing law of custom has hitherto always first been accounted a bad man: but when, as did happen, the law could not afterwards be reinstated and this fact was accepted, the predicate gradually changed; - history treats almost exclusively of these bad men who subsequently became good men!" (Daybreak, § 20)
See also 
- An "ecclesiastical authority" was initially an assembly of bishops, later the Pope, then an inquisitor (a delegate of the Pope) and later yet the leadership of a Protestant church (which would itself be regarded as heretical by the Pope). The definitions of "state", "cooperation", "suppress" and "heresy" were all subject to change during the past 16 centuries.
- Only very fragmentary records have been found of the executions carried out under Christian "heresy laws" during the first millennium. Somewhat more complete records of such executions can be found for the second millennium. To estimate the total number of executions carried out under various Christian "heresy laws" from 385 AD until the last official Roman Catholic "heresy execution" in 1826 AD would require far more complete historical documentation than is currently available. The Roman Catholic Church by no means had a monopoly on the execution of heretics. The charge of heresy was a weapon that could fit many hands. A century and a half after heresy was made a state crime, the Vandals(a heretical Christian Germanic tribe), used the law to prosecute thousands of (orthodox) Catholics with penalties of torture, mutilation, slavery and banishment. The Vandals were overthrown; orthodoxy was restored; "No toleration whatsoever was to be granted to heretics or schismatics." Heretics were not the only casualties. 4000 Roman soldiers were killed by heretical peasants in one campaign. Some lists of heretics and heresies are available. Thousands were burned at the stake by the Roman Catholic Inquisition, which lasted for nearly seven centuries. From time to time, heretics were burned at the stake by an enraged local populace, in a certain type of "vigilante justice" , without the official participation of the Church or State. Religious Wars slaughtered millions. During these wars, the charge of "heresy" was often leveled by one side against another as a sort of propaganda or rationalization for the undertaking of such wars.
- "Heresy | Define Heresy at Dictionary.com". Dictionary.reference.com. Retrieved 2013-04-15.
- "Apostasy | Learn everything there is to know about Apostasy at". Reference.com. Retrieved 2013-04-15.
- "Definitions of "blasphemy" at Dictionary.com". Dictionary.reference.com. Retrieved 2013-04-15.
- "Definition of "heresy" at Free Online Dictionary". Thefreedictionary.com. Retrieved 2013-04-15.
- Cross, F.L.; Livingstone, E.A., eds. (1974). "Heresy". The Oxford Dictionary of the Christian Church (2 ed.). Oxford: Oxford University Press.
- Bruce, F.F. The Spreading Flame, Exeter:Paternoster 1964, p. 249
- W.H.C. Frend (1984). The Rise of Christianity. Chapter 7, The Emergence of Orthodoxy 135-93. ISBN 978-0-8006-1931-2. Appendices provide a timeline of Councils, Schisms, Heresies and Persecutions in the years 193-604. They are described in the text.
- Cross, F.L.; Livingstone, E.A., eds. (1974). "Milan, Edict of". The Oxford Dictionary of the Christian Church (2 ed.). Oxford: Oxford University Press.
- Chadwick, Henry. The Early Christian Church, Pelican 1967, pp 129-30
- Paul Stephenson (2009). Constantine: Roman Emperor, Christian Victor. Chapter 11. ISBN 978-1-59020-324-8. The Emperor established and enforced orthodoxy for domestic tranquility and the efficacy of prayers in support of the empire.
- Charles Freeman (2008). A.D. 381 - Heretics, Pagans, and the Dawn of the Monotheistic State. ISBN 978-1-59020-171-8. As Christianity placed its stamp upon the Empire, the Emperor shaped the Church for political purposes.
- Chadwick, Henry. The Early Church, Pelican, London, 1967. p.171
- Edward Gibbon. History of the Decline and Fall of the Roman Empire. Chapter 37, Part III.
- W.H.C. Frend (1984). The Rise of Christianity. page 833. ISBN 978-0-8006-1931-2.
- Edward Gibbon. History of the Decline and Fall of the Roman Empire. Chapter 21, Part VII.
- James Carroll (2001). Constantine's Sword. page 357. ISBN 0-618-21908-0.
- Will & Ariel Durant (1950). The Age of Faith. page 778.
- "Massacre of the Pure." Time. April 28, 1961.
- Joseph Reese Strayer (1992). The Albigensian Crusades. University of Michigan Press. p. 143. ISBN 0-472-06476-2
- Will & Ariel Durant (1950). The Age of Faith. Chapter XXVIII, The Early Inquisition: 1000-1300.
- Neill, Stephen. Anglicanism Pelican, pp.96,7
- Dickens, A.G. The English Reformation Fontana/Collins 1967, p.327/p.364
- MacCullough, Diarmaid. Thomas Cranmer Yale 1996, p.477
- Borges, Jorge Luis (1962). Labyrinths. New York: New Directions Publishing Corporation. pp. 119–126. ISBN 978-0-8112-0012-7.
- John Bowker. "Zindiq." The Concise Oxford Dictionary of World Religions. 1997
- "Averroës (Ibn Rushd) > By Individual Philosopher > Philosophy". Philosophybasics.com. Retrieved 2012-10-13.
- The Limits of Orthodox Theology: Maimonides' Thirteen Principles Reappraised, by Marc B. Shapiro, ISBN 1-874774-90-0, A book written as a contentious rebuttal to an article written in the Torah u'Maddah Journal.
- (Buddhism Five precepts)
- John B. Henderson (1998). The construction of orthodoxy and heresy: Neo-Confucian, Islamic, Jewish, and early Christian patterns. ISBN 978-0-7914-3760-5.
- Welkos, Robert W.; Sappell, Joel (29 June 1990). "When the Doctrine Leaves the Church". Los Angeles Times. Retrieved 2008-08-24.
- Donald Goldsmith (1977). Scientists Confront Velikovsky. ISBN 0-8014-0961-6. Asimov's views are in Forward: The Role of the Heretic.
- Robert T. Bakker (1986). The Dinosaur Heresies. ISBN 978-0-8065-2260-9. "I have enormous respect for dinosaur paleontologists past and present. But on average, for the last fifty years, the field hasn't tested dinosaur orthodoxy severely enough." page 27 "Most taxonomists, however, have viewed such new terminology as dangerously destabilizing to the traditional and well-known scheme..." page 462. This book apparently influenced Jurassic Park. The illustrations by the author show dinosaurs in very active poses, in contrast to the traditional perception of lethargy.
- Coutou, Diane. Ideas as Art. Harvard Business Review 84 (2006): 83–89.
- Daybreak, R.J. Hollingdale trans., Cambridge University Press, 1997, p. 18. Available at http://www.scribd.com/doc/37646181/Nietzsche-Daybreak
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