No prayer without al-Fatihah

Reciting Surah al-Fatihah is essential in every rak'ah.

Narrated by Ubadah ibn as-Samit

There is no prayer for the one who does not recite the Opening of the Book (al-Fatihah).

Sahih al-Bukhari 756, Sahih Muslim 394

What this hadith teaches

Al-Fatihah is a pillar of every rak'ah. Every Muslim should learn to recite it correctly.

Reference and grade

Grade
Sahih: agreed upon by al-Bukhari and Muslim
Narrator
Ubadah ibn as-Samit

The hadith in Arabic نص الحديث

لاَ صَلاَةَ لِمَنْ لَمْ يَقْرَأْ بِفَاتِحَةِ الْكِتَابِ

Arabic text of Sahih al-Bukhari 756, as given on sunnah.com.