‘Ubada b. as-Samit reported God’s Messenger as saying, “He who does not recite <i>Fatihat al-Kitab</i>* is not credited with having observed prayer.” *The first <i>sura</i>. (Bukhari and Muslim.) A version by Muslim has “He who does not recite <i>Umm al-Qur’an</i> (the first <i>sura</i> and something more.”

عَنْ عُبَادَةَ بْنِ الصَّامِتِ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَا صَلَاةَ لمن لم يقْرَأ بِفَاتِحَة الْكتاب» وَفِي رِوَايَةٍ لِمُسْلِمٍ: «لِمَنْ لَمْ يَقْرَأْ بِأُمِّ الْقُرْآن فَصَاعِدا»