Musannaf Ibn Abi Shayba 33:632

Waki’ narrated to us, from Sufyan, from a man, from Rabi’ ibn Khuthaym, that a mare of his worth thirty thousand was stolen from him at night while he was praying. He did not turn away [from his prayer]. When morning came, he loaded [his belongings] onto her foal. Then, when morning came [again], he said, "O Allah, he stole from me, and I was not one to steal from him." It was said that Rabi’ used to recite aloud, and if he heard footsteps, he would lower his voice.