“‘Umar ibn Yazid sent me to abu Ja’far al-Ahwal with a certain amount of dirham and asked me to tell him to perform al-Hajj with it if he wanted, or if he wanted to benefit in other ways, he can do so. He spent it for other things and did not perform al-Hajj . Certain persons of our people mentioned it to abu ‘Abd Allah (a.s.), and he (the Imam) said, ‘You have found a faqih (knowledgeable in matters of Shari ‘ah) shaykh.’”