Sunan an-Nasa'i #7 · The Book of Purification

Sunan an-Nasa'iIt was narrated from Abu Hurairah that the Messenger of Allah
Sunan an-Nasa'i · Book 1 · The Book of Purification
Sunan an-Nasa'i · كتاب 1 · كتاب الطهارة
"Were it not that it would be too difficult for my Ummah, I would have commanded them to use the Siwak at (the time of) every Salah
أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، عَنْ مَالِكٍ، عَنْ أَبِي الزِّنَادِ، عَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏
"‏ لَوْلاَ أَنْ أَشُقَّ عَلَى أُمَّتِي لأَمَرْتُهُمْ بِالسِّوَاكِ عِنْدَ كُلِّ صَلاَةٍ ‏"‏ ‏.‏
Reference : Sunan an-Nasa'i 7In-book reference : Book 1, Hadith 7