Read Surah As-Sajda 32:12: "If thou couldst but see [how it will be on Judgment Day], when those who are lost in sin will hang their heads before th..." Full Arabic text, English translation, and image generator.
وَلَوْ تَرَىٰ إِذِ الْمُجْرِمُونَ نَاكِسُو رُءُوسِهِمْ عِنْدَ رَبِّهِمْ رَبَّنَا أَبْصَرْنَا وَسَمِعْنَا فَارْجِعْنَا نَعْمَلْ صَالِحًا إِنَّا مُوقِنُونَ
If thou couldst but see [how it will be on Judgment Day], when those who are lost in sin will hang their heads before their Sustainer, [saying:] “O our Sustainer! [Now] we have seen, and we have heard! Return us, then, [to our earthly life] that we may do good deeds: for [now], behold, we are certain [of the truth]!”