He said: Ali-Sharif Abu Muhammad al-Hasan b. Hamza al-Tabari reported to me from Abul Hasan Ali b. Hatim al-Qazwaini, who reported from Abul Abbas Muhammad b. Ja'far al-Makhzoomi, who reported from Muhammad b. Shammoon al- Basri, from Abdullah b. Abdul Rehanm, reported from al-Husain b. Zayd from Ja'far b. Muhammad (AS) from his father (AS) who said:
"Whoever helped us with his tongue, against our enemy, ALLAH (SWT) will let him speak out his argument when he will stand before Him (i.e. on the Day of Judgement)."
(Ref : Al-Amali Shaikh Mufeed: The Fourth Assembly: Hadees No. 7)