Hadith 5543
وَعَنْ أَبِي هُرَيْرَةَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَيَأْتِي الرَّجُلُ الْعَظِيمُ السَّمِينُ يَوْمَ الْقِيَامَةِ لَا يَزِنُ عندَ الله جَناحَ بعوضة» . وَقَالَ: اقرؤوا (فَلَا نُقيمُ لَهُم يومَ القيامةِ وَزْناً) مُتَّفق عَلَيْهِ
Abu Huraira reported God's messenger as saying, "On the day of resurrection a huge, fat man will come, but in God's estimate he will not weigh as much as a gnat's wing." He told them to recite:"We shall not assign them any weight on the day of resurrection." * *Quran; 18:105. (Bukhari and Muslim.)