“Allaah has sent down to you the book (the Qur’aan), and Al‑Hikmah (Islamic laws, knowledge of legal and illegal things, i.e. the Prophet’s Sunnah — legal ways), and taught you that which you knew not. And Ever Great is the Grace of Allaah unto you (O Muhammad صلى الله عليه وسلم)”
[al-Nisa’ 4:113]