373. Ibn Jarir at-Tabari has, in his history (vol.2, p.1086; also Ibn al-Athir in his history, vol.4, p.478), related from 'Abd ar-Rahman ibn Abi Layla, al-faqih (the theologian), who was one of those who had risen with ('Abd' ar-Rahman ibn Muhammad) Ibn al-Ash'ath to fight al-Hajjaj (ibn Yusuf ath-Thaqafi), that he (Ibn Abi Layla) was exhorting people to jihad by recalling: On the occasion of encounter with the people of Syria I heard Amir al-mu'minin, may Allah exalt his degree of rank among the righteous and may He reward him the reward of martyrs and men of truth, saying: