Sahih al-Bukhari 808
Book 10: Call to Prayers (Adhaan) · Hadith 203
Hadith text
حَدَّثَنَا الصَّلْتُ بْنُ مُحَمَّدٍ، قَالَ حَدَّثَنَا مَهْدِيٌّ، عَنْ وَاصِلٍ، عَنْ أَبِي وَائِلٍ، عَنْ حُذَيْفَةَ، رَأَى رَجُلاً لاَ يُتِمُّ رُكُوعَهُ وَلاَ سُجُودَهُ، فَلَمَّا قَضَى صَلاَتَهُ قَالَ لَهُ حُذَيْفَةُ مَا صَلَّيْتَ ـ قَالَ وَأَحْسِبُهُ قَالَ ـ وَلَوْ مُتَّ مُتَّ عَلَى غَيْرِ سُنَّةِ مُحَمَّدٍ صلى الله عليه وسلم.
Narrated Abu Wail:Hudhaifa said, "I saw a person not performing his bowing and prostrations perfectly. When he completed the prayer, I told him that he had not prayed." I think that Hudhaifa added (i.e. said to the man), "Had you died, you would have died on a tradition other than that of the Prophet Muhammad (ﷺ)
Abu Wail bataate hain: Hudhaifa ne kaha: "Maine ek shaks ko ruku-sajda achhi tarah na karte dekha. Namaz khatam hone par maine usse kaha ke usne namaz nahi padhi." Mujhe lagta hai Hudhaifa ne yeh bhi joda: "Agar tum (isi tareeke par) marte, to Nabi Muhammad ke tareeqe ke ilawa kisi aur tareeqe par marte."
Sahih al-Bukhari 808 · Book 10, Hadith 203