Jews, Christians and Zoroastrians, as well as Muhammadans, became interested in the new message.

The Mullas (Muhammadan doctors), however, took up a hostile attitude and persistently plotted to effect His overthrow.

On a certain occasion they sent one of their number to interview Him and submit to Him certain questions.

The envoy found the answers of Baha'u'llah so convincing and His wisdom so amazing, although evidently not acquired by study, that he was obliged to confess that in knowledge and understanding Baha'u'llah was peerless.

In order, however, that the Mullas who had sent him should be satisfied as to the reality of Baha'u'llah's Prophethood, he asked that some miracle should be produced as proof.