IBNHIBBAN 1088: from Muḥammad b. Ziyād —
[Machine] Abu Hurayrah used to come to people while they were performing ablution at the place of purification and would say to them, "Perform your ablution well, may Allah bless you. For I have heard Abu al-Qasim ﷺ saying, 'Woe to the heels from the Fire.'"

ابن حبّان ١٠٨٨: عن محمد بن زياد —
كَانَ أَبُو هُرَيْرَةَ يَأْتِي عَلَى النَّاسِ وَهُمْ يَتَوَضَّؤُونَ عِنْدَ الْمَطْهَرَةِ فَيَقُولُ لَهُمْ أَسْبِغُوا الْوُضُوءَ بَارَكَ اللَّهُ فِيكُمْ فَإِنِّي سَمِعْتُ أَبَا الْقَاسِمِ ﷺ يَقُولُ «وَيْلٌ لِلْأَعْقَابِ مِنَ النَّارِ»


Sound (Arnaʾūṭ)
Ibn Ḥibbān > Book of Purification > § [Machine] The Sunnahs of Wudu
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