original in the hand of ‘Abdu'l-Bahá according to DAS
Translation:
Provisional translation
O thou forgiving Lord! Shed Thy radiance upon these servants of Thine and give unto them a melodious voice
DAS.Diary notebooks and letters of Mirza Ahmad Sohrab, Dec. 1912 – Jun. 1915. English and Persian diary notebooks and letters held in the U.S. National Bahá’í Archives. Often quoted in other sources such as SW. Catalog entries are indexed by date and include only the English notebooks and letters. Letters from 1 Jul 1913 through 19 Oct. 1914 found here: https://bahai-library.com/sohrab_diary_letters_1913-1914