The Bahá'í view of God is essentially monotheistic. God is the imperishable, uncreated being who is the source of all existence. He is described as "a personal God, unknowable, inaccessible, the source of all Revelation, eternal, omniscient, omnipresent and almighty". Though transcendent and inaccessible directly, his image is reflected in his creation. The purpose of creation is for the created to have the capacity to know and love its creator. God communicates his will and purpose to humanity through intermediaries, known as Manifestations of God, who are the prophets and messengers that have founded religions from prehistoric times up to the present day.
The Bahá'í teachings state that there is only one God and that his essence is absolutely inaccessible from the physical realm of existence and that, therefore, his reality is completely unknowable. Thus, all of humanity's conceptions of God which have been derived throughout history are mere manifestations of the human mind and not at all reflective of the nature of God's essence. While God's essence is inaccessible, a subordinate form of knowledge is available by way of mediation by divine messengers, known as Manifestations of God. The Manifestations of God reflect divine attributes, which are creations of God made for the purpose of spiritual enlightenment, onto the physical plane of existence. All physical beings reflect at least one of these attributes, and the human soul can potentially reflect all of them.Shoghi Effendi, the head of the Bahá'í Faith in the first half of the 20th century, described God as inaccessible, omniscient, almighty, personal, and rational, and rejected pantheistic, anthropomorphic and incarnationist beliefs.
Although human cultures and religions differ on their conceptions of God and his nature, Bahá'ís believe they nevertheless refer to one and the same Being. The differences, instead of being regarded as irreconcilable constructs of mutually exclusive cultures, are seen as purposefully reflective of the varying needs of the societies in which the divine messages were revealed. No single faith, and associated conception of God, is thus considered essentially superior to another from the viewpoint of its original social context; however, more recent religions may teach a more advanced conception of God as called for by the changing needs of local, regional or global civilization. Bahá'ís thus regard the world's religions as chapters in the history of one single faith, revealed by God's Manifestations progressively and in stages. Bahá'u'lláh writes on this subject: