Arabic (Original)
حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ حَدَّثَنَا شُعْبَةُ عَنْ خَالِدٍ عَمَّنْ سَمِعَ أَنَسَ بْنَ مَالِكٍ قَالَ كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا سَجَدَ رُئِيَ أَوْ رَأَيْتُ بَيَاضَ إِبِطَيْهِ.
English Translation
Muhammad ibn Ja'far told us: Shu'bah told us, from Khalid, from someone who heard Anas ibn Malik say: The Messenger of Allah, peace and blessings be upon him, when he prostrated, the whiteness of his armpits could be seen — or, I saw the whiteness of his armpits.