Ahmed bin 'Ubda bin Musa أحمد بن عبدة بن موسى · The Book on Salat (Prayer)

"The Prophet would open his Salat with (Bismillahir-Rahmanir-Rahim)."

"A boy of ours named Rabah."

"When Allah's Messenger (S) prayed the two Rak'ah (before) Fajr if he needed something from me he would talk to me, if not, he would go to Salat."