[It is] so He will make clear to them [the truth of] that wherein they differ and so those who have disbelieved may know that they were liars.
The Saheeh International Quran Translation
لِيُبَيِّنَ لَهُمُ ٱلَّذِى يَخْتَلِفُونَ فِيهِ وَلِيَعْلَمَ ٱلَّذِينَ كَفَرُوٓا۟ أَنَّهُمْ كَانُوا۟ كَٰذِبِينَ[It is] so He will make clear to them [the truth of] that wherein they differ and so those who have disbelieved may know that they were liars.