personsas constituted by their mutual relations, yet does not mean that God in his essence is Father, or a male deity. Jesus spoke of a relation of mutual giving and love with the Father, which believers could also enjoy through the Spirit. The Trinity is commemorated liturgically in the Western Church on Trinity Sunday . For systems denying the Trinity, see Unitarianism .
See studies by L. Hodgson (1960) and A. W. Wainwright (1962); G. L. Prestige, God in Patristic Thought (repr. 1964); J. N. D. Kelly, Early Christian Doctrines (1977); E. Jüngel, God as the Mystery of the World (1983).
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