Hazrat Jabir bin Abdullah (may Allah be pleased with him) says that whoever did not recite Surah Al-Fatihah in every rak'ah, it is as if he did not pray at all. However, it is not necessary to recite it behind the Imam.

Hazrat Imran bin Husain says that the prayer is not valid in which Surah Al-Fatihah and at least two more verses are not recited.

Hazrat Abu Saeed says that in every prayer there is recitation of the Holy Qur'an, and that is Surah Al-Fatihah or something more than it.

Hazrat Umar says that the prayer is not valid in which Surah Al-Fatihah and at least two more verses are not recited.

Hazrat Abdullah bin Harith says that I was sitting with some Ansari companions. They mentioned prayer and said that there is no prayer without recitation, even if a person only recites Surah Al-Fatiha, but it must be done. The narrator, Hazrat Khalid, says that I asked Abdullah bin Harith, "Can you name any of them?" He replied, "Yes, Khawat bin Jubair."

Hazrat Mujahid says that any rak‘ah in which Surah Al-Fatihah is not recited, that rak‘ah must be repeated.

Hazrat Muhammad bin Hakam narrates that Hazrat Abu Wa'il recited Surah Al-Fatihah and one verse, then performed rukoo (bowing).

Hazrat Ata says that Hazrat Abu Hurairah said that Surah Al-Fatihah is sufficient. Later, I met him and asked, "In obligatory (prayer)?" He said, "Yes."

Ibrahim says that Surah Al-Fatihah is sufficient in both obligatory and non-obligatory (prayers).

Hazrat Abu Alia Bara says that I asked Hazrat Ibn Umar (may Allah be pleased with them) whether I should recite (Qira'at) in every rak'ah? He replied, "I feel shy before the Lord of this House that I do not recite Surah Al-Fatihah and whatever is easy after it in every rak'ah." He says that I asked Hazrat Ibn Abbas (may Allah be pleased with them), so he said, "It is up to you; if you wish, recite less than that, and if you wish, recite more than that."