Sahih Muslim #6934 · The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness

Sahih MuslimAbu Huraira reported that Allah's Messenger
Sahih Muslim · Book 48 · The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness
Sahih Muslim · كتاب 48 · كتاب الذكر والدعاء والتوبة والاستغفار
The supplication of every one of you is granted if he does not grow impatient and says: I supplicated but it was not granted.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنِ ابْنِ شِهَابٍ، عَنْ أَبِي عُبَيْدٍ، مَوْلَى ابْنِ أَزْهَرَ عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏
"‏ يُسْتَجَابُ لأَحَدِكُمْ مَا لَمْ يَعْجَلْ فَيَقُولُ قَدْ دَعَوْتُ فَلاَ أَوْ فَلَمْ يُسْتَجَبْ لِي ‏"‏ ‏.‏
Reference : Sahih Muslim 6934In-book reference : Book 48, Hadith 125