Concept on God in Chritianity
In the Christian religion, one definition of God is the eternal being that created and preserves the universe. The Christian Bible never speaks of God in an impersonal sense. Instead, it refers to him in personal terms—as one who is, who speaks, who sees, hears, acts, and loves. God is understood to have a will and personality and is an all powerful, divine and benevolent being. He is represented in Scripture as being primarily concerned with people and their salvation.
God is usually held to have the properties of holiness (separate from sin and incorruptible), justice (fair, right, and true in all his judgments), omnipotence (all powerful), omniscience (all-knowing), omnibenevolence (all-loving), omnipresence (everywhere present) and immortality (eternal and everlasting).
God is understood by Trinitarians as Father, Son, and Holy Spirit; a single infinite being who is both within and beyond nature. Because the persons of the Trinity represent a personal relation even on the level of God to himself, he is represented by all Christian denominations to be personal both in his immanence (in his personal relation toward us) and in his transcendence (in his personal relation toward himself). Nontrinitarians hold that God, the Father, is supreme; that Jesus, although still divine Lord and Savior, is the Son of God; and that the Holy Spirit is a phenomenon akin to God's will on Earth. The holy three are separate, yet the Son and the Holy Spirit are still seen as originating from the one, true, and eternal God.
The Trinitarian doctrine is considered by most Christians to be a core tenet of their faith. Since the 4th century, in both Eastern and Western Christianity, this doctrine has been stated as "three Hypostases (or, less precisely, persons) in one God", all three of whom, as distinct and co-eternal persons, are of one indivisible Divine essence, a simple being. The majority of Christians are Trinitarian and regard belief in the Trinity as a test of true orthodoxy of belief.
"Father, Son and Holy Spirit"
"Father, Son, and Holy Spirit" is a quotation of Jesus' words as recorded in the Great Commission: “Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit.” The names in that same order later appeared in the Apostle Paul's apostolic benediction: “The grace of the Lord Jesus Christ and the love of God and the fellowship of the Holy Spirit be with you all”
Since the first century, Christians have called upon God with the name "Father, Son and Holy Spirit" in prayer, baptism, communion, demon exorcism, hymn-singing, preaching, confession, absolution and benediction.
In Christianity, the doctrine of the Trinity states that God is one being who exists, simultaneously and eternally, as a mutual indwelling of three persons: the Father, the Son (incarnate as Jesus of Nazareth), and the Holy Spirit (or Holy Ghost). Since earliest Christianity, one's salvation has been very closely related to the concept of a triune God, although the Trinitarian doctrine was not formalized until the 4th century. At that time the bishops of the Christian Church, which had been recently legalised by Emperor Constantine, held the Council of Nicea and formalized the Trinitarian doctrine.
Most Christians believe that God is spirit, an uncreated, omnipotent, and eternal being, the creator and sustainer of all things, who works the redemption of the world through his Son, Jesus Christ. With this background, belief in the divinity of Christ and the Holy Spirit is expressed as the doctrine of the Holy Trinity, which describes the single Divine substance existing as three distinct and inseparable persons: the Father, the Son (Jesus Christ the eternal Word), and the Holy Spirit.
God the Father
In Christianity, God is called "Father" in a previously unheard-of sense, besides being the creator and nurturer of creation, and the provider for his children, his people. The Father is said to have an eternal relation to his only Son, Jesus─implying an exclusive and intimate familiarity that is of their very nature: "No one knows the Son except the Father, and no one knows the Father except the Son and any one to whom the Son chooses to reveal him. In Christian theology, this is the revelation of sense in which Fatherhood is inherent to God's nature, an eternal relationship. God the Father is less often the subject of art than the other members of the Trinity.
There is a deeper sense in which Christians believe that they are made participants in the eternal relationship of Father and Son, through Jesus Christ. The New Testament refers to this as adoption: "But when the fullness of time had come, God sent forth his Son, born of woman, born under the law, to redeem those who were under the law, so that we might receive adoption as sons. And because you are sons, God has sent the Spirit of his Son into our hearts, crying, 'Abba! Father!' So you are no longer a slave, but a son, and if a son, then an heir through God.
According to author Floyd McClung and others, many Christians long to know God personally but imagine him to be a remote, impersonal Being who cannot be known otherwise. He points out how past hurts and our view of our earthly father so often influence our view of God as our heavenly Father. McClung believes most people do not know God as a loving Father─someone to trust. He urges believers to discover the Father Heart of God.
(based on an article from Wikipedia - an online encyclopedia)
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