4. Muhammad ibn Yahya has narrated from Muhammad ibn al-Husayn from Yazid Sha‘ar from Harun ibn Hamza who has said that he hear abu ‘Abdallah say who has said the following. “In fact, the Quran consists of illustrious verses that exist in the hearts of those who have knowledge. . .” (29:49) ‘They are the Imams exclusive of all others.’”