Muhammad b. al-Hasan b. Ahmad b. al-Walid narrated to us. He said: Muhammad b. al-Hasan al-Saffar narrated to us from Ahmad b. Muhammad b. `Isa from Muhammad b. Isma`il b. Bazi` from `Abdullah b. `Uthman from al-Husayn b. Mehran from Ishaq b. Ghalib from Abi `Abdillah al-Sadiq . He said:

Whoever is ill-mannered has tormented himself.