سُنَنُ ابْنِ مَاجَهْ
Sunan Ibn Majah 54
The Book of the Sunnah
Avoiding individual opinion and analogy (with regard to matters of religion)
حَدَّثَنَا مُحَمَّدُ بْنُ الْعَلاَءِ الْهَمْدَانِيُّ، حَدَّثَنِي رِشْدِينُ بْنُ سَعْدٍ، وَجَعْفَرُ بْنُ عَوْنٍ، عَنِ ابْنِ أَنْعُمٍ، - هُوَ الإِفْرِيقِيُّ - عَنْ عَبْدِ الرَّحْمَنِ بْنِ رَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ الْعِلْمُ ثَلاَثَةٌ فَمَا وَرَاءَ ذَلِكَ فَهُوَ فَضْلٌ آيَةٌ مُحْكَمَةٌ أَوْ سُنَّةٌ قَائِمَةٌ أَوْ فَرِيضَةٌ عَادِلَةٌ .
It was narrated that 'Abdullah bin 'Amr said: "The Messenger of Allah (ﷺ) said: 'Knowledge is based on three things, and anything beyond that is superfluous: a clear Verse, an established Sunnah, or the rulings by which the inheritance is divided fairly.'"
Sunan Ibn Majah, 54Da'if (Darussalam)