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Lit., "about whom they are in doubt", or "about whom they [vainly] dispute": an allusion to the many conflicting views about the nature of Jesus and his origins, ranging from the blasphemous Jewish assertion that he was a "false prophet" and the product of a shameful, illicit union (cf. 4:156 ), to the Christian belief that he was "the son of God" and, therefore, God incarnate. In this connection, see also 3:59 and the corresponding note [47].
The disputations about the nature of Jesus Christ were vain, but also persistent and sanguinary. The modern Christian churches have thrown them into the background, but they would do well to abandon irrational dogmas altogether.