Some Ans. Questions 2014 by -'Abdu'l-Bahá- 1 Para

In brief, our meaning is that many marvellous things appeared from Baha'u'llah, but we do not recount them, for not only do they not constitute a proof and testimony for all mankind, but they are not even a decisive proof for those who witnessed them and who may ascribe them to magic (10:4)

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