“God had given him such power and such fluency of expression that, if a scribe wrote with the most extreme rapidity during two days and two nights without interruption, he would reveal, out of this mine of eloquence, the equivalent of the Qur’án.”
(“Le Bayán Persan,” vol. 2, p. 132 by A.L.M. Nicolas; footnotes provided by Shoghi Effendi to chapter 9)