(11) باب وُجُوبِ قِرَاءَةِ الْفَاتِحَةِ فِي كُلِّ رَكْعَةٍ وَإِنَّهُ إِذَا لَمْ يُحْسِنِ الْفَاتِحَةَ وَلاَ أَمْكَنَهُ تَعَلُّمُهَا قَرَأَ مَا تَيَسَّرَ لَهُ مِنْ غَيْرِهَا
'Ubada b. as-Samit reported from the Messenger of Allah (may peace be upon him ):
He who does not recite Fatihat al-Kitab is not credited with having observed the prayer. (DE)
Reference (DE): Sahih Muslim 394 a (DE)
In-book reference (DE): Book 4, Hadith 37 (DE)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 771 (DE)