Al-Adab Al-Mufrad 654

Abu al-Yaman related to us: Shu‘ayb related to us, from al-Zuhri, who said: Ibn ‘Ubayd, the client of ‘Abd al-Rahman, informed me—and he was one of the Qur’an reciters and people of understanding in jurisprudence—that he heard Abu Hurayra say that the Messenger of Allah, may Allah bless him and grant him peace, said: “Each of you will be answered as long as he does not grow impatient, saying, ‘I supplicated, but I was not answered.’”