717 — Al-Hārith ibn Muhammad also narrated to me, on the authority of ʿAlī ibn Muhammad al-Basrī, on the authority of Abū Sālih al-Kānī, who said: Al-Muhallab said to his sons, “Beware of a slip of the tongue. A man’s foot may slip and he recovers, but his tongue may slip and he perishes.”