13:33 that God has fulfilled this to us, their children, in that he raised up Jesus. As it is also written in the second psalm, ‘You are my Son. Today I have become your father.’
Muslims think that Jesus' title of 'Son' means God entered into a biological relationship with Mary, yet in the OT 'Son' is a title rooted in kingship and deity.
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Origins and Sources of the Gospel of Barnabas, John Gilchrist