التوبة — At-Taubah Ayat 66
لَا تَعْتَذِرُوْا قَدْ كَفَرْتُمْ بَعْدَ اِيْمَانِكُمْ ۗ اِنْ نَّعْفُ عَنْ طَاۤىِٕفَةٍ مِّنْكُمْ نُعَذِّبْ طَاۤىِٕفَةً ۢ بِاَنَّهُمْ كَانُوْا مُجْرِمِيْنَ ࣖ
Lā ta‘tażirū qad kafartum ba‘da īmānikum, in na‘fu ‘an ṭā'ifatim minkum nu‘ażżib ṭā'ifatam bi'annahum kānū mujrimīn(a).
"Make no excuse; you have disbelieved after your belief. If We pardon one faction of you - We will punish another faction because they were criminals."