Read and reflect on verse 817 from Surah Al-An'aam: But nay -[they will say this only because] the truth which they used to conceal [from themselves] in the past will have become obvious to them; and if...
بَلْ بَدَا لَهُمْ مَا كَانُوا يُخْفُونَ مِنْ قَبْلُ ۖ وَلَوْ رُدُّوا لَعَادُوا لِمَا نُهُوا عَنْهُ وَإِنَّهُمْ لَكَاذِبُونَ
But nay -[they will say this only because] the truth which they used to conceal [from themselves] in the past will have become obvious to them; and if they were brought back [to life], they would return to the very thing which was forbidden to them: for behold, they are indeed liars!