أَخْبَرَنَا نَصْرُ بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا عَبْدُ الأَعْلَى، قَالَ حَدَّثَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، عَنْ أَبِي سَلَمَةَ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ لَيْسَ الْمِسْكِينُ الَّذِي تَرُدُّهُ الأُكْلَةُ وَالأُكْلَتَانِ وَالتَّمْرَةُ وَالتَّمْرَتَانِ ‏"‏ ‏.‏ قَالُوا فَمَا الْمِسْكِينُ يَا رَسُولَ اللَّهِ قَالَ ‏"‏ الَّذِي لاَ يَجِدُ غِنًى وَلاَ يَعْلَمُ النَّاسُ حَاجَتَهُ فَيُتَصَدَّقَ عَلَيْهِ ‏"‏ ‏.‏

It was narrated from Abu Hurairah that the Messenger of Allah said: "The poor man (Miskin) is not the one who leaves if you give him a morsel or two, or a date or two." They said: "Then who is the Miskin, O Messenger of Allah?" He said: "The one who does not possess independence of means, and the people do not know of his need, so that they could give him charity." Translation Not Available

Book Ref: Sunan An Nisai Book 23 Hadith 2573
Web Ref:  Sunan An Nisai Vol 3 Book 23 Hadith 2574