Ch. I, p.18, f.1

According to the Abjad notation, the numerical value of the word "Hin" is 68. It was in the year 1268 A.H. that Baha'u'llah, while confined in the Siyah-Chal of Tihran received the first intimations of His Divine Mission. Of this He hinted in the odes which He revealed in that year.