Reprinted from Bahá'í World Volume 18 (1979-83), pages 9-38. All excerpts save No. XI are translated by Habib Taherzadeh et al. Originally published as Fire and Light (Hofheim-Langenhain: Bahá'í Verlag, 1982).
Also available as a nicely-formatted PDF, prepared by Romane Takkenberg.
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