By this isnad from Bakr b. `Abdullah b. Habib. He said: `Atiyya b. Isma`il b. Ibrahim al-Ansari narrated to me. He said: Abu `Amira Muhammad b. Ahmad al-Khashab narrated to us. He said: Al-`Abbas b. Yazid al-Najrani and Ishaq b. Ibrahim al-Warraq narrated to us. They said: Dirar b. Sard narrated to us. He said: al-Mu`tamar b. Sulayman narrated to us from his father from al-Hasan from Anas b. Malik. He said: The Prophet (s) said:

`Ali will clarify that which my Nation will disagree about after me.