Sahih al-Bukhari 756
Book 10: Call to Prayers (Adhaan) · Narrated by 'Ubada bin As-Samit
Arabic
حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ، قَالَ حَدَّثَنَا سُفْيَانُ، قَالَ حَدَّثَنَا الزُّهْرِيُّ، عَنْ مَحْمُودِ بْنِ الرَّبِيعِ، عَنْ عُبَادَةَ بْنِ الصَّامِتِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ صَلاَةَ لِمَنْ لَمْ يَقْرَأْ بِفَاتِحَةِ الْكِتَابِ ".
English translation
Narrated 'Ubada bin As-Samit:Allah's Messenger (ﷺ) said, "Whoever does not recite Al-Fatiha in his prayer, his prayer is invalid
Reference: Sahih al-Bukhari 756, Book of Call to Prayers (Adhaan). English translation by Dr. Muhammad Muhsin Khan.