عَنْ أَبِي الدَّردَاءِ رَضِيَ اللّهُ عَنْهُ: أَنَّهُ سمِعَ رَسُولَ اللّهِ صَلّى اللّهُ عَلَيْهِ وسَلَّم يَقُولُ: «مَا مِنْ عَبْدٍ مُسْلِمٍ يَدْعُو لِأَخِيهِ بِظَهْرِ الْغَيْبِ إِلّا قَالَ الْمَلَكُ: وَلَكَ بِمِثْلٍ» رَوَاهُ مُسْلِمٌ.
Abu al-Darda (may Allah be pleased with him) reported that he heard the Messenger of Allah (peace and blessings be upon him) say: "There is no Muslim servant who supplicates for his brother in his absence but that the angel says: 'And for you the like.'" Reported by Muslim.
الشرح · explanation
ملك: أي ملك موكل مأمور بهذا العمل خاصة.
"The angel": that is, an angel appointed and charged specifically with this task.
الدروس · lessons
استحباب أن يدعو المسلم لنفسه ولأخيه المسلم، لتستجاب دعوته ويحصل له مثلها.
It is recommended for a Muslim to supplicate for himself and for his Muslim brother, so that his supplication is answered and he receives the like of it.