Sunan Ibn Majah 509
It was narrated that Anas bin Malik said:
"The Messenger of Allah used to perform ablution for every prayer, and we used to perform all of the prayers with one ablution."
حَدَّثَنَا سُوَيْدُ بْنُ سَعِيدٍ، حَدَّثَنَا شَرِيكٌ، عَنْ عَمْرِو بْنِ عَامِرٍ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ كَانَ رَسُولُ اللَّهِ ـ ﷺ ـ يَتَوَضَّأُ لِكُلِّ صَلاَةٍ وَكُنَّا نَحْنُ نُصَلِّي الصَّلَوَاتِ كُلَّهَا بِوُضُوءٍ وَاحِدٍ .
Classification
Sahih (Authentic) [Darussalam]
References
Sunan Ibn Majah 509
Sunan Ibn Majah Vol. 1, Book of Purification and its Sunnah, Hadith 509