Muhammad Diyab al-Atlidi, Historical Tales and Anecdotes of the Time of the Early Khalîfahs (1873)
“ Muslims affirm that his conversion was a miracle wrought in answer to the Prophet's prayer. ʾOmar-ibn-el-Khattâb and Amr-abi-Jahl were two of the Prophet's bitterest enemies, and were of high estate and greatly esteemed amongst the Arabs. The Prophet, therefore, knowing that the conversion of either of them would much aid the progress of el-Islám, prayed that God would cause one of them to profess. And in answer to this prayer ʾOmar-ibn-el-Khattâb became a true believer, but Amr-abi-Jahl died an infidel. Hafash ʾOmar's daughter, was one of the Prophet's wives. ”
