1274 — Abdullah ibn Muhammad informed us; Isma'il ibn Muhammad informed us. He said: Yahya ibn Ja'far narrated to us; he said: 'Ismah ibn Sulayman informed us. He said: Muhammad ibn Umar al-Ansari narrated to us, from Ayyub al-Sakhtiyani, who said: Abu Qilabah said, “O Ayyub, retain four things from me: Do not speak about the Quran on the basis of your own opinion; beware of predestination; when the Companions of Muhammad are mentioned, refrain; and do not give the followers of vain desires access to your ear, lest they alter your heart.”