Abdullah Ibn Ata says: I asked Imam Abu Jaffar Baqr: SPEAK TO US OF THE QAIM [HAZRAT MAHDI (AS)]...HE SAID: HE WILL FOLLOW THE PATH OF THE MESSENGER OF ALLAH (SAAS); HE WILL ELIMINATE PREVIOUS THINGS AND COME WITH NEW THINGS.”
 
(Sheikh Muhammad bin Ibrahim Nomani, al-Ghaybah al-Nomani p. 216)