Sunan an-Nasa'i
Sunan an-Nasa'i 5564b
Mentioning the Reason Why These Mixtures are Forbidden, Which is That One of Them is Mor
Arabic hadith text
أَخْبَرَنَا سُوَيْدٌ، قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ، عَنْ سَعِيدِ بْنِ أَبِي عَرُوبَةَ، قَالَ قَتَادَةُ كَانَ أَنَسٌيَأْمُرُ بِالتَّذْنُوبِ فَيُقْرَضُ .
Translation
Qatadah said
"Anas used to tell us to cut off the extra bits."