11. He said: Abul Hasan Ahmad ibn Muhammad al-Hasan reported to me from his father, from Muhammad ibn al-Hasan al-Saffar, from Ahmad ibn Muhammad ibn Isa, from Muhammad ibn Sinan, from Musa ibn Bakr, who said: Someone who heard from Abu Abdillah Ja’far ibn Muhammad عليه السلام reported to me that he said: "One who acts without any understanding and vision, is like a person walking behind a mirage on a levelled desert, the faster he runs the farthest he ends up.