Sunan an-Nasai Book 23, Hadith 2599

أَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ بِشْرٍ، قَالَ أَنْبَأَنَا شُعْبَةُ، عَنْ عَبْدِ الْمَلِكِ، عَنْ زَيْدِ بْنِ عُقْبَةَ، عَنْ سَمُرَةَ بْنِ جُنْدُبٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ إِنَّ الْمَسَائِلَ كُدُوحٌ يَكْدَحُ بِهَا الرَّجُلُ وَجْهَهُ فَمَنْ شَاءَ كَدَحَ وَجْهَهُ وَمَنْ شَاءَ تَرَكَ إِلاَّ أَنْ يَسْأَلَ الرَّجُلُ ذَا سُلْطَانٍ أَوْ شَيْئًا لاَ يَجِدُ مِنْهُ بُدًّا ‏"‏ ‏.‏

It was narrated that Samurah bin Jundab said:"The Messenger of Allah said: "Every time a man begs, it will turn into lacerations on his face (on the Day of Resurrection). So whoever wants his face to be lacerated (let him ask), and whoever does not want that (let him not ask): except in the case of a man who asks a Sultan, or he asks when he can find no alternative