Hazrat Sha'bi says that you have a choice in this matter: if you wish, you may recite, and if you wish, you may suffice with the recitation of the Imam.

Hazrat Saeed bin Jubair says that if you are not hearing the recitation of the Imam, then if you wish, recite in your heart.

Hasan used to say that behind the Imam, recite Surah Al-Fatihah in your heart in every rak'ah.

Hazrat Sha'bi used to say that behind the Imam in Zuhr and Asr, recite Surah Al-Fatihah and any one Surah, and in the last two rak'ahs, recite only Surah Al-Fatihah.

Hazrat Sha'bi says that reciting (Qur'an) behind the Imam is the light of prayer.

Hazrat Saeed bin Musayyib says that the Imam and the follower will recite Surah Al-Fatihah in Zuhr and Asr prayers.

Hazrat Hakam states that in the silent prayers, behind the Imam, in the first two rak‘ahs recite Surah Al-Fatihah and any one Surah, and in the other two rak‘ahs recite only Surah Al-Fatihah.

Hazrat Urwah says that remain silent in the audible prayers and recite (Qur'an) in the silent prayers.

Hazrat Yahya bin Abi Ishaq says that I offered the Maghrib prayer behind Hakam bin Ayyub. Abu Mulaeeh was standing next to Ibn Usama. I heard Abu Mulaeeh reciting Surah Al-Fatiha. When the Imam finished the prayer with salam, I asked Abu Mulaeeh, "Were you reciting (Qur'an) behind the Imam, even though the Imam was also reciting?" He said, "Did you hear anything?" I said, "Yes." He replied, "Yes, I was reciting."

Hazrat Anas, regarding recitation behind the Imam, says that this is tasbih.