﴿ وَيَوْمَ نَبْعَثُ مِن كُلِّ أُمَّةٍۢ شَهِيدًۭا ثُمَّ لَا يُؤْذَنُ لِلَّذِينَ كَفَرُوا۟ وَلَا هُمْ يُسْتَعْتَبُونَ ﴾

“But one Day We shall raise up a witness out of every community, whereupon they who were bent on denying the truth will not be allowed to plead [ignorance], and neither will they be allowed to make amends.”

Please check ayah 16:88 for complete tafsir.