Had there been anything in the Sunnah having no root in the Book...
Had there been anything in the Sunnah having no root in the Book, it would have never been expository for it, the fact excepting not the Sunnah’s containing the explanation of the Qur’an’s general rules, though seeming out of it, like the prayer that is stated in general in the Qur’an and in details in the Sunnah.
But through this elaboration we got to know its being Allah’s intention from the prayer He generally stated it in His Book.” He also said: 25 “The Sunnah elucidates the generality, restricts the absolute, and specifies the common.” He said 26 too: “The objective of the Sunnah is to expose the Book, and expound its meanings.” When asked about the hadith saying: The Sunnah is baffling the Book, al-Imam Ahmad replied: I never dare saying so, but I say that the Sunnah interprets and demonstrates the Qur’an.
27 Al-Imam Malik used to say: “Take into account the continuous and plentiful work, abandoning other than it though containing traditions.” He further said: The dearest traditions to me are those which got unanimous acceptance of people. 28 In Ruh al-bayan, al-Alusi reported that al-Imam al-Shafi`i said: Whatever is judged and decided by the Prophet is verily among that which he conceived from the Qur’an.
He also said: The Sunnah of the Messenger of Allah can in no way contradict the Book of Allah. 29 The traditionist faqih al-Sayyid Rashid Rida (may God’s mercy be upon him) said: The Prophet is a demonstrator of the Qur’an through his utterance and acts. This demonstration implies elaboration, specification and restriction, with the exclusion of annulment of any of its rules or revoking any of its reports.
Hence we have the verified dictum: “The Sunnah can never abrogate the Qur’an.” The main pillar of religion being the Book of Allah, occupying the first rank, after it comes the concurred practical Sunnah with every act being successively reported from the Prophet. In the third degree comes the unsuccessively narrated evidential traditions (ahad).
Whoever acting according to the unanimously agreed ones will be verily among those delivered in the Hereafter, and regarded near by Allah, the Exalted, the fact approved by al-Ghazali. 30 Influence of Messenger’s Speech On Worldly Affairs: The above-mentioned were excerptions of the utterances of the eminent religious leaders, in respect of showing the status of the Messenger’s speech regarding the religious affairs.