26-15 Ali ibn Ahmad ibn Muhammad ibn Imran ad-Daqqaq - may God be pleased with him - narrated that Muhammad ibn Abi Abdillah al-Kufi quoted on the authority of Ahmad ibn Muhammad ibn Salih al-Razi, on the authority of Hamdan ad-Diawni that Al-Ridha (s) said, “The friend of any individual is his mind and his enemy is his ignorance.”