Universalism

Universalism is the philosophical and theological concept that some ideas have universal application or applicability.
A belief in one fundamental truth is another important tenet in universalism. The living truth is seen as more far-reaching than the national, cultural, or religious boundaries or interpretations of that one truth. As the Rig Veda states, "Truth is one; sages call it by various names." A community that calls itself "universalist" may emphasize the universal principles of most religions, and accept others in an inclusive manner.
In the modern context, Universalism can also mean the pursuit of unification of all human beings across geographic and other boundaries, or the application of universal or universalist constructs, such as human rights or international law.
Universalism has had an influence on modern day Hinduism, in turn influencing modern Western spirituality.
Christian universalism refers to the idea that every human will be saved in a religious or spiritual sense. This specific idea being called universal reconciliation.
Philosophy.
Universality.
In philosophy, universality is the notion that universal facts can be discovered and is therefore understood as being in opposition to relativism.
In certain religions, universalism is the quality ascribed to an entity whose existence is consistent throughout the universe.
Moral universalism.
Moral universalism (also called "moral objectivism" or "universal morality") is the meta-ethical position that some system of ethics applies universally. That system is inclusive of all individuals, regardless of culture, race, sex, religion, nationality, sexual orientation, or any other distinguishing feature. Moral universalism is opposed to moral nihilism and moral relativism. However, not all forms of moral universalism are absolutist, nor do they necessarily value monism. Many forms of universalism, such as utilitarianism, are non-absolutist. Other forms such as those theorized by Isaiah Berlin, may value pluralist ideals.
Religion.
Baháʼí Faith.
In the teachings of the Baháʼí Faith, a single God has sent all the historic founders of the world religions in a process of progressive revelation. As a result, the major world religions are seen as divine in origin and are continuous in their purpose. In this view, there is unity among the founders of world religions, but each revelation brings a more advanced set of teachings in human history and none are syncretic.
Within this universal view, the unity of humanity is one of the central teachings of the Baháʼí Faith. The Baháʼí teachings state that since all humans have been created in the image of God, God does not make any distinction between people with regard to race, colour or religion. Thus, because all humans have been created equal, they all require equal opportunities and treatment. Hence the Baháʼí view promotes the unity of humanity, and that people's vision should be world-embracing and that people should love the whole world rather than just their nation.
The teaching, however, does not equate unity with uniformity; instead the Baháʼí writings advocate the principle of "unity in diversity" where the variety in the human race is valued. Operating on a worldwide basis this cooperative view of the peoples and nations of the planet culminates in a vision of the practicality of the progression in world affairs towards, and the inevitability of, world peace.
Buddhism.
The idea of Universal Salvation is key to the Mahayana school of Buddhism. All practitioners of this school of Buddhism aspire to become fully enlightened, so as to save other beings. There are many such vows or sentiments that people on this path focus on, the most famous being "Beings are numberless. I vow to save them all."
Adherents to Pure Land Buddhism point to Amitabha Buddha as a Universal Savior. Before becoming a Buddha Amitabha vowed that he would save all beings.
Christianity.
The fundamental idea of Christian universalism is universal reconciliation – that all humans will eventually be saved. They will eventually enter God's kingdom in Heaven, through the grace and works of the lord Jesus Christ. Christian universalism teaches that an eternal Hell does not exist, and that it was not what Jesus had taught. They point to historical evidence showing that some early fathers of the church were universalists, and attribute the origin of the idea of hell as eternal to mistranslation.
Universalists cite numerous Biblical passages which reference the salvation of all beings. In addition, they argue that an eternal hell is both unjust, and against the nature and attributes of a loving God.
The remaining beliefs of Christian universalism are generally compatible with the fundamentals of Christianity
In 1899 the Universalist General Convention, later called the Universalist Church of America, adopted the Five Principles: the belief in God, Jesus Christ, the immortality of the human soul, the reality of sin and universal reconciliation.
History.
Universalist writers such as George T. Knight have claimed that Universalism was a widely held view among theologians in Early Christianity. These included such important figures such as Alexandrian scholar Origen as well as Clement of Alexandria, a Christian theologian. Origen and Clement both included the existence of a non-eternal Hell in their teachings. Hell was remedial, in that it was a place one went to purge one's sins before entering into Heaven.
The first undisputed documentations of Christian Universalist ideas occurred in 17th-century England and 18th-century Europe as well as in colonial America. Between 1648-1697 English activist Gerrard Winstanley, writer Richard Coppin, and dissenter Jane Leade, each taught that God would grant all human beings salvation. The same teachings were later spread throughout 18th-century France and America by George de Benneville. People who taught this doctrine in America would later become known as the Universalist Church of America.
The Greek term "apocatastasis" came to be related by some to the beliefs of Christian universalism, but central to the doctrine was the restitution, or restoration of all sinful beings to God, and to His state of blessedness. In early Patristics, usage of the term is distinct.
Universalist theology.
Universalist theology is grounded in history, scripture and assumptions about the nature of God. Thomas Whittemore wrote the book "100 Scriptural Proofs that Jesus Christ Will Save All Mankind" quoting both Old and New Testament verses which support the Universalist viewpoint.
Some Bible verses he cites and are cited by other Christian Universalists are:
Mistranslations.
Christian universalists point towards the mistranslations of the Greek word αιών (Lit. aion), as giving rise to the idea of Eternal Hell, and the idea that some people will not be saved.
This Greek word is the origin of the modern English word aeon, which refers to a period of time or an epoch.
The 19th century theologian Marvin Vincent wrote about the word "aion", and the supposed connotations of "eternal" or "temporal":
Aion, transliterated aeon, is a period of longer or shorter duration, having a beginning and an end, and complete in itself. [...] Neither the noun nor the adjective, in themselves, carry the sense of "endless" or "everlasting"."
Dr. Ken Vincent writes that "When it (aion) was translated into Latin Vulgate, "aion" became "aeternam" which means "eternal".
Catholicism.
The Catholic church believes that God judges everyone based only on their moral acts, that no one should be subject to human misery, that everyone is equal in dignity yet distinct in individuality before God, that no one should be discriminated against because of their sin or concupiscence, and that apart from coercion God exhausts every means to save mankind from evil: original holiness being intended for everyone, the irrevocable Old Testament covenants, each religion being a share in the truth, elements of sanctification in non-Catholic Christian communities, the good people of every religion and nation, everyone being called to baptism and confession, and Purgatory, suffrages, and indulgences for the dead. The church believes that everyone is predestined to Heaven, that no one is predestined to Hell, that everyone is redeemed by Christ's Passion, that no one is excluded from the church except by sin, and that everyone can either love God by loving others unto going to Heaven or reject God by sin unto going to Hell. The church believes that God's predestination takes everything into account, and that his providence brings out of evil a greater good, as evidenced, the church believes, by the Passion of Christ being all at once predestined by God, foretold in Scripture, necessitated by original sin, authored by everyone who sins, caused by Christ's executioners, and freely planned and undergone by Christ. The church believes that everyone who goes to Heaven joins the church, and that from the beginning God intended Israel to be the beginning of the church, wherein God would unite all persons to each other and to God. The church believes that Heaven and Hell are eternal.
The Latin book "Cur Deus Homo" explains that God donate the soul and a guardian angel to any human being but he can't donate the forgiveness of sins and the eternal salavation in Paradise to anyone, even baptized. In this sense, St Anselm of Canterbury defended the existence of the Purgatory, a place to which all the souls having one or more sins to be expiated are destinated for a limited period of time. Their forgiveness can be shortened by alternative forms of expiation like rituals (Suffrage Mass) and works of mercy which the living believers dedicate to them. The pain's debt is payd by different creatures but it can't freely remitted. 
St Anselm demonstrated that if God could forgive the human sins without any form of sacrifice, then the crucifixion of Jesus Christ God wouldn't have been necessary for the eternal salvation of the human kind and God won't be perfect.
Hinduism.
Author David Frawley says that Hinduism has a "background universalism" and its teachings contain a "universal relevance." Hinduism is also naturally religiously pluralistic. A well-known "Rig Vedic" hymn says: "Truth is One, though the sages know it variously." Similarly, in the "Bhagavad Gītā" (4:11), God, manifesting as an incarnation, states: "As people approach me, so I receive them. All paths lead to me." The Hindu religion has no theological difficulties in accepting degrees of truth in other religions. Hinduism emphasizes that everyone actually worships the same God, whether one knows it or not.
While Hinduism has an openness and tolerance towards other religions, it also has a wide range of diversity within it. There are considered to be six orthodox Hindu schools of philosophy/theology, as well as multiple unorthodox or "hetrodox" traditions called darshanas.
Hindu universalism.
Hindu universalism, also called Neo-Vedanta and neo-Hinduism, is a modern interpretation of Hinduism which developed in response to western colonialism and orientalism. It denotes the ideology that all religions are true and therefore worthy of toleration and respect.
It is a modern interpretation that aims to present Hinduism as a "homogenized ideal of Hinduism" with Advaita Vedanta as its central doctrine. For example, it presents that:
Hinduism embraces universalism by conceiving the whole world as a single family that deifies the one truth, and therefore it accepts all forms of beliefs and dismisses labels of distinct religions which would imply a division of identity.
This modernised re-interpretation has become a broad current in Indian culture, extending far beyond the Dashanami Sampradaya, the Advaita Vedanta Sampradaya founded by Adi Shankara. An early exponent of Hindu Universalism was Ram Mohan Roy, who established the Brahmo Samaj. Hindu Universalism was popularised in the 20th century in both India and the west by Vivekananda and Sarvepalli Radhakrishnan. Veneration for all other religions was articulated by Gandhi:
Western orientalists played an important role in this popularisation, regarding Vedanta to be the "central theology of Hinduism". Oriental scholarship portrayed Hinduism as a "single world religion", and denigrated the heterogeneousity of Hindu beliefs and practices as 'distortions' of the basic teachings of Vedanta.
Islam.
Islam recognizes to a certain extent the validity of the Abrahamic religions, the Quran identifying Jews, Christians, and "Sabi'un" (usually taken as a reference to the Mandaeans) as "people of the Book" ("ahl al-kitab"). Later Islamic theologians expanded this definition to include Zoroastrians, and later even Hindus, as the early Islamic empire brought many people professing these religions under its dominion, but the Qur'an explicitly identifies only Jews, Christians, and Sabians as People of the Book., , The relation between Islam and universalism has assumed crucial importance in the context of political Islam or Islamism, particularly in reference to Sayyid Qutb, a leading member of the Muslim Brotherhood movement, and one of the key contemporary philosophers of Islam.
There are several views within Islam with respect to Universalism. According to the most inclusive teachings, common among the liberal Muslim movements, all monotheistic religions or people of the book have a chance of salvation. For example, Surah 2:62 states: 
However, the most exclusive teachings disagree. For example, the Salafi refer to Surah 9:5:
The interpretation of all of these passages are hotly contested amongst various schools of thought, traditionalist and reform-minded, and branches of Islam, from the reforming Quranism and Ahmadiyya to the ultra-traditionalist Salafi, as is the doctrine of abrogation ("naskh") which is used to determine which verses take precedence, based on reconstructed chronology, with later verses superseding earlier ones. The traditional chronology places Surah 9 as the last or second-to-last surah revealed, thus, in traditional exegesis, it gains a large power of abrogation, and verses 9:5, 29, 73 are held to have abrogated 2:256 The ahadith also play a major role in this, and different schools of thought assign different weightings and rulings of authenticity to different hadith, with the four schools of Sunni thought accepting the Six Authentic Collections, generally along with the Muwatta Imam Malik. Depending on the level of acceptance of rejection of certain traditions, the interpretation of the Koran can be changed immensely, from the Qur'anists who reject the ahadith, to the Salafi, or "ahl al-hadith", who hold the entirety of the traditional collections in great reverence.
Traditional Islam views the world as bipartite, consisting of the House of Islam, that is, where people live under the Sharia; and the House of War, that is, where the people do not live under Sharia, which must be proselytized using whatever resources available, including, in some traditionalist and conservative interpretations, the use of violence, as holy struggle in the path of God, to either convert its inhabitants to Islam, or to rule them under the Shariah (cf. dhimmi).
Judaism.
Judaism teaches that God chose the Jewish people to be in a unique covenant with God, and one of their beliefs is that Jewish people were charged by the Torah with a specific mission—to be a light unto the nations, and to exemplify the covenant with God as described in the Torah to other nations. This view does not preclude a belief that God also has a relationship with other peoples—rather, Judaism holds that God had entered into a covenant with all humanity as Noachides, and that Jews and non-Jews alike have a relationship with God, as well as being universal in the sense that it is open to all mankind.
Modern Jews such as Emmanuel Levinas advocate a universalist mindset that is performed through particularist behavior. An on-line organization, the Jewish Spiritual Leaders Institute founded and led by Steven Blane, who calls himself an "American Jewish Universalist Rabbi", believes in a more inclusive version of Jewish Universalism, stating that "God equally chose all nations to be lights unto the world, and we have much to learn and share with each other. We can only accomplish Tikkun Olam by our unconditional acceptance of each other's peaceful doctrines."
Manichaeism.
Manichaeism, like Christian Gnosticism and Zurvanism, was inherently universalist.
Sikhism.
In Sikhism, all the religions of the world are compared to rivers flowing into a single ocean. Although the Sikh gurus did not agree with the practices of fasting, idolatry and pilgrimage during their times, they stressed that all religions should be tolerated and considered on equal footing. The Sikh scripture, the Guru Granth Sahib, contains the writings of not just the Sikh guru themselves, but the writings of several Hindu and Muslim saints, known as the "Bhagats".
The very first word of the Sikh scripture is "Ik", followed by "Oh-ang-kar". This literally means that there is only one god, and that one is wholesome, inclusive of the whole universe. It further goes on to state that all of creation, and all energy is part of this primordial being. As such, it is described in scripture over and over again, that all that occurs is part of the divine will, and as such, has to be accepted. It occurs for a reason, even if its beyond the grasp of one person to understand.
Although Sikhism does not teach that men are created as an image of God, it states that the essence of the One is to be found throughout all of its creation. As was said by Yogi Bhajan, the man who is credited with having brought Sikhism to the West:
"If you can't see God in all, you can't see God at all". (Sri Singh Sahib, Yogi Bhajan)
The First Sikh Guru, Guru Nanak said himself:
"There is no Hindu, there is no Muslim".
By this, Guru Nanak meant that there is no distinction between religion in God's eyes, whether polytheist, monotheist, pantheist, or even atheist, all that one needs to gain salvation is purity of heart, tolerance of all beings, compassion and kindness. Unlike many of the major world religions, Sikhism does not have missionaries, instead it believes men have the freedom to find their own path to salvation.
Unitarian Universalism.
Unitarian Universalism (UU) is a theologically liberal religion characterized by a "free and responsible search for truth and meaning". Unitarian Universalists do not share a creed; rather, they are unified by their shared search for spiritual growth and by the understanding that an individual's theology is a result of that search and not a result of obedience to an authoritarian requirement. Unitarian Universalists draw from all major world religions and many different theological sources and have a wide range of beliefs and practices.
While having its origins in Christianity, UU is no longer a Christian church. As of 2006, fewer than about 20% of Unitarian Universalists identified themselves as Christian. Contemporary Unitarian Universalism espouses a pluralist approach to religious belief, whereby members may describe themselves as humanist, agnostic, deist, atheist, pagan, Christian, monotheist, pantheist, polytheist, or assume no label at all.
The Unitarian Universalist Association (UUA) was formed in 1961, a consolidation of the American Unitarian Association, established in 1825, and the Universalist Church of America, established in 1866. It is headquartered in Boston, and mainly serves churches in the United States. The Canadian Unitarian Council became an independent body in 2002.
Zoroastrianism.
Some varieties of Zoroastrian (such as Zurvanism) are universalistic in application to all races, but not necessarily universalist in the sense of universal salvation.
Critics.
In his book "The Miracle of Theism: Arguments for and against the Existence of God", the Australian philosopher J. L. Mackie noted that whilst in the past a miracle performed by Jesus had served as proof to Christians that he was the 'one true God', and that a miracle performed by another religion's deity had served as a (contradictory) proof to its own adherents, the universalist approach resulted in any such miracle being accepted as a validation of all religions, a situation that he characterised as "Miracle-workers of the world, unite!"