Ibne Jarir Tabari has narrated through his authorities from Kathir bin Salma that he said: I saw Imam Hasan (a) during the holy life of Messenger of Allah (s) producing honey from a rock.I was amazed and I went to Messenger of Allah (s) to inform him about it.
His Eminence said: Why are you astounded about this son of mine? My son is a chief, he is son of a chief. Through him would Almighty Allah create peace between two groups. The folks of the heavens obey him in the heavens and the folks of the earth obey him in the earth.3
3 Dalailul Imamah, Pg. 64.