Forced to abandon his studies in the madrisiy-i-Ṣadr of Iṣfahán, this Siyyid had migrated, in shame and remorse, to Karbilá, had there joined the ranks of the Báb’s followers, and shown, after His martyrdom, signs of vacillation which exposed the shallowness of his faith and the fundamental weakness of his convictions. Bahá’u’lláh’s first visit to Karbilá and the marks of undisguised reverence, love and admiration shown Him by some of the most distinguished among the former disciples and companions of Siyyid Káẓim, had aroused in this calculating and unscrupulous schemer an envy, and bred in his soul an animosity, which the forbearance and patience shown him by Bahá’u’lláh had served only to inflame. His deluded helpers, willing tools of his diabolical designs, were the not inconsiderable number of Bábís who, baffled, disillusioned and leaderless, were already predisposed to be beguiled by him into pursuing a path diametrically opposed to the tenets and counsels of a departed Leader.
- Shoghi Effendi (‘God Passes By’, chapter 7)