"I would see the Messenger of Allah (ﷺ) praying two rak'ahs of Fajr and making them so brief that I said: 'Did he recite the Umm Al-Kitab in them?'"
Sunan an-Nasa'i Book 11, Hadith 71
← Previous Hadith The Messenger of Allah (ﷺ) recited: "Say: O you disbelievers" and "Say: He is Allah, (the) One" in the two rak'ahs of Fajr.

Sunan an-Nasa'i Book 11, Hadith 70 Next Hadith → He prayed Subh and recited Ar-Rum, but he stumbled in his recitation. When he had finished praying he said: 'What is the matter with people who pray with us without purifying themselves properly? Those people make us stumble in reciting Quran.'"

Sunan an-Nasa'i Book 11, Hadith 72