Narrated Al-Bara' bin `Azib: (He was not a liar) We used to pray behind the Prophet and when he said, "Sami`a l-lahu liman hamidah", none of us would bend his back (to go for prostration) till the Prophet had placed his, forehead on the ground.

Narrated Al-Bara: (and he was not a liar) When Allah's Apostle said, "Sami`a l-lahu liman hamidah" none of us bent his back (for prostration) till the Prophet prostrated and then we would prostrate after him. Narrated Abu 'Is-haq: As above.

Narrated Al-Bara: (And Al-Bara was not a liar) Whenever we offered prayer with the Prophet and he raised his head from the bowing, we used to remain standing till we saw him prostrating .