Sacrifice of life is of two kinds. To be killed for the cause is not so difficult as to live for it in absolute obedience to the commands of God.
SW.Star of the West, 25 vols. (1910-1935). Periodical issued each Bahá’í month. Vols. 1-12 reprinted 1978 in 8 volumes by George Ronald. Each issue Includes a section in Persian. https://bahai.works/Star_of_the_West