Sahih Bukhari 795

Narrated Abu Huraira: Allah's Apostle said, When the Imam says, Sami`a l-lahu liman hamidah, you should say, Allahumma Rabbana laka l-hamd. And if the saying of any one of you coincides with that of the angels, all his past sins will be..

Narrated Abu Salama: Abu Hurairah said, No doubt, my Salat is similar to that of the Prophet (saws). Abu Hurairah used to recite Qunut after saying Sami' Allahu liman hamida in the last Rak'a of the Zuhr, Isha and Fajr Prayers. He would ask..

Narrated Anas: The qunut [supplication before going down for prostration] used to be recited in the Maghrib and the Fajr prayers. ..

Narrated Rifa`a bin Rafi` Az-Zuraqi: One day we were praying behind the Prophet. When he raised his head from bowing, he said, Sami`a l-lahu liman hamidah. A man behind him said, Rabbana wa laka l-hamdu, hamdan kathiran taiyiban mubarakan..

Narrated Thabit: Anas used to demonstrate to us the prayer of the Prophet and while demonstrating, he used to raise his head from bowing and stand so long that we would say that he had forgotten (the prostration). ..

Narrated Al-Bara': The bowing, the prostrations, the period of standing after bowing and the interval between the two prostrations of the Prophet used to be equal in duration . ..