4-4 In another tradition it is narrated that Muhammad ibn Musa ibn al-Mutawakkil - may God be pleased with him - narrated that Ali ibn Al-Hussein As-Sa’dabadi quoted on the authority of Ahmad ibn Abi Abdullah al-Barqi, on the authority of his father, on the authority ofDawood ibn Zorbi, on the authority of Ali ibn Yaqteen, “Musa ibn Ja’far (s) told me - without me having said anything to him, ‘This is my most knowledgeable child. I have placed my nickname on him.’ He pointed to Al-Ridha (s) with his hand.”