ومنهم من قال لم يسن سنة قط إلا ولها أصل في الكتاب، كما كانت سُنَّته لتبيين عدد الصلاة وعملها، على أصل جملة فرض الصلاة
Another scholar said He never established a practice that did not have some foundation in the Book, just as his practice that clarifies the number of prayers and how they were to be performed was provided pursuant to a generally worded passage that established the obligation to pray