Istilahat Ahadith (اصطلا حات حديث)

Verily, Allaah sent Muhammad (peace and blessings of Allaah be upon him) with guidance and the religion of truth, so that He might make it prevail over all religions, and He revealed to him the Book and Wisdom. That you may make clear to the people what has been revealed to them, that they may reflect and be guided and that they may be successful.

So both the Book and the Sunnah are in fact with which Allah Almighty has established an argument against His servants and on both of them the basis of doctrinal and practical rules in command and prohibition (positive and negative) is laid.

The one who argues from the Qur’an needs to consider only one thing, what is its ruling, it does not need to think in order to be established, because it