It is narrated from Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him and his family) said: Surely, the time is near when I will be called and I will accept that call. I am leaving among you two important and strong things: one is the Book of Allah Almighty and the other is my family. The Book of Allah is that rope which is hanging from the sky to the earth, and my family are my Ahl al-Bayt. Allah Almighty is very subtle and aware of everything; He has informed me that these two will not separate from each other until they come to the Pond (of Kawthar), that is, until the Day of Judgment. So be mindful of how you behave with them after me.