Sunan an-Nasa'i 140
سنن النسائي#140Sahihأَخْبَرَنَا مَحْمُودُ بْنُ غَيْلاَنَ، قَالَ حَدَّثَنَا يَعْلَى، قَالَ حَدَّثَنَا سُفْيَانُ، عَنْ مُوسَى بْنِ أَبِي عَائِشَةَ، عَنْ عَمْرِو بْنِ شُعَيْبٍ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، قَالَ جَاءَ أَعْرَابِيٌّ إِلَى النَّبِيِّ صلى الله عليه وسلم يَسْأَلُهُ عَنِ الْوُضُوءِ فَأَرَاهُ الْوُضُوءَ ثَلاَثًا ثَلاَثًا ثُمَّ قَالَ " هَكَذَا الْوُضُوءُ فَمَنْ زَادَ عَلَى هَذَا فَقَدْ أَسَاءَ وَتَعَدَّى وَظَلَمَ " .
It was narrated from 'Amr bin Shu'aib, from his father, that his grandfather said:"A Bedouin came to the Prophet (ﷺ) to ask him about Wudu', so he showed him how to perform Wudu', washing each part three times, then he said: 'This is Wudu'. Whoever does more than that has done badly, done to extremes and done wrong
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 1:141