Because of His prominence in the defense of the Báb’s cause, Bahá’u’lláh was arrested and brought, in chains and on foot, to Teheran. Protected in some measure by an impressive personal reputation and the social position of His family, as well as by protests which the Bábí pogroms had evoked from Western embassies, He was not sentenced to death, as influential figures at the royal court were urging. Instead, He was cast into the notorious Síyáh-_Ch_ál, the “Black Pit”, a deep, vermin-infested dungeon which had been created in one of the city’s abandoned reservoirs. No charges were laid but He and some thirty companions were, without appeal, kept immured in the darkness and filth of this pit, surrounded by hardened criminals, many of them under sentence of death. Around Bahá’u’lláh’s neck was clamped a heavy chain, so notorious in penal circles as to have been given its own name. When He did not quickly perish, as had been expected, an attempt was made to poison Him. The marks of the chain were to remain on His body for the rest of His life. Central to Bahá’u’lláh’s writings is an exposition of the great themes which have preoccupied religious thinkers throughout the ages: God, the role of Revelation in history, the relationship of the world’s religious systems to one another, the meaning of faith, and the basis of moral authority in the organization of human society. Passages in these texts speak intimately of His own spiritual experience, of His response to the Divine summons, and of the dialogue with the “Spirit of God” which lay at the heart of His mission. Religious history has never before offered the inquirer the opportunity for so candid an encounter with the phenomenon of Divine Revelation. Toward the end of His life, Bahá’u’lláh’s writings on His early experiences included a brief description of the conditions in the Síyáh-_Ch_ál. We were consigned for four months to a place foul beyond comparison.... The dungeon was wrapped in thick darkness, and Our fellow-prisoners numbered nearly a hundred and fifty souls: thieves, assassins and highwaymen. Though crowded, it had no other outlet than the passage by which We entered. No pen can depict that place, nor any tongue describe its loathsome smell. Most of these men had neither clothes nor bedding to lie on. God alone knoweth what befell Us in that most foul-smelling and gloomy place!(8) Each day the guards would descend the three steep flights of stairs of the pit, seize one or more of the prisoners, and drag them out to be executed. In the streets of Teheran, Western observers were appalled by scenes of Bábí victims blown from cannon mouths, hacked to death by axes and swords, and led to their deaths with burning candles inserted into open wounds in their bodies.(9) It was in these circumstances, and faced with the prospect of His own imminent death, that Bahá’u’lláh received the first intimation of His mission: