التوبة — At-Taubah Ayat 79
اَلَّذِيْنَ يَلْمِزُوْنَ الْمُطَّوِّعِيْنَ مِنَ الْمُؤْمِنِيْنَ فِى الصَّدَقٰتِ وَالَّذِيْنَ لَا يَجِدُوْنَ اِلَّا جُهْدَهُمْ فَيَسْخَرُوْنَ مِنْهُمْ ۗسَخِرَ اللّٰهُ مِنْهُمْ ۖ وَلَهُمْ عَذَابٌ اَلِيْمٌ
Allażīna yalmizūnal-muṭṭawwi‘īna minal-mu'minīna fiṣ-ṣadaqāti wal-lażīna lā yajidūna illā juhdahum fa yaskharūna minhum, sakhirallāhu minhum, wa lahum ‘ażābun alīm(un).
"Those who criticize the contributors among the believers concerning [their] charities and [criticize] the ones who find nothing [to spend] except their effort, so they ridicule them - Allah will ridicule them, and they will have a painful punishment."