Imam Hassan Mujtaba (a.s.) said: “O people, learn knowledge from your Lord. Indeed, Allah the Almighty chose Adam and Noah and the family of Abraham and the family of Imran as prophets for the worlds. They were two tribes who had taken (purity, piety and virtue) from each other. Allah is Hearing and Knowing (of their efforts in the path of the Prophethood). People! We - the Ahlul Bayt - are the children of Adam and the family of Noah and the chosen children of Abraham and the descendants of Ishmael, we the family of Muhammad, among you are like the sky that is high, like the earth that is wide, and like the sun that shines brightly. We are like an olive tree that does not lean towards the east or the west. A tree whose root is the Messenger of Allah (s.a.w.s.) and whose branch is Ali ibn Abi Talib (a.s.). "By God, we (the Ahlul Bayt) are the fruit of that tree, so whoever grasps one of its branches will be saved (and will be happy), and whoever separates from it, his abode will be the Fire."