وَكَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ جَالِسًا إِذْ جَاءَ رَجُلٌ يَسْأَلُ أَوْ طَالِبُ حَاجَةٍ أَقْبَلَ عَلَيْنَا بِوَجْهِهِ، فَقَالَ: "اشْفَعُوا فَلْتُؤْجَرُوا، وَلْيَقْضِ اللَّهُ عَلَى لِسَانِ نَبِيِّهِ مَا شَاءَ".
صحیح بخاری · Hadith 6028
Narrated Abu Musa: Whenever a beggar or a person in need came to the Prophet, the Prophet would say "Help and recommend him and you will receive the reward for it, and Allah will bring about what he will through His Prophet's tongue