Allah says in the Holy Qur’an...
Allah says in the Holy Qur’an, “Whoever obeys the Prophet has obeyed Allah,” [^18] and “Your Companion (Muhammad) errs not, nor is he led astray, nor does he speaks of his own inclination.” [^19] Similarly, the Prophet said, “By Allah, I have commanded and admonished and prohibited things, and just like the Qur’an, you have to follow what I say,”[^20] and “Verily, I have been given the Qur’an and something equivalent to it [the hadith].”[^21] One of his final injunctions to the Muslims was, “I am leaving among you the Book of Allah and my family ( itrati );” “itrati, ” also refers to the hadith of the Prophet and his family.
In a hadith narrated in the Sunni books, the Messenger of Allah prophesized: It is imminent that a man will narrate from me while leaning on his couch and then he will say, ‘Between us and between you is the Book of Allah. When we find something permissible in it, we will follow it, and when we find something impermissible in it, we will refrain from it.’[^22] ‘Umar continued…