وَعَن الْمُغيرَة بن شُعْبَة قَالَ: مَسَحَ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَلَى الْخُفَّيْنِ فَقُلْتُ: يَا رَسُولَ اللَّهِ نسيت؟ قَالَ: بل أَنْت نسيت بِهَذَا أَمرنِي رَبِّي عَزَّ وَجَلَّ. رَوَاهُ أَحْمَدُ وَأَبُو دَاوُدَ

‘Ali said, “If the religion were based on opinion, it would be more important to wipe the under part of the shoe than the upper, but I have seen God’s messenger wiping over the upper part of his shoes.” Abu Dawud transmitted it, and Darimi has something similar.