وَمَا كَانَ ٱلنَّاسُ إِلَّآ أُمَّةً وَٰحِدَةً فَٱخْتَلَفُوا۟ وَلَوْلَا كَلِمَةٌ سَبَقَتْ مِن رَّبِّكَ لَقُضِىَ بَيْنَهُمْ فِيمَا فِيهِ يَخْتَلِفُونَ
Saheeh International(19) And mankind was not but one community [united in religion], but [then] they differed. And if not for a word[517] that preceded from your Lord, it would have been judged between them [immediately] concerning that over which they differ.
English Translation - Rowwad Translation CenterThe whole of mankind was but a single community, then they differed[21]. If it had not been for a prior decree from your Lord, a decisive judgment would have been passed between them concerning their differences[22].
English Translation - Hilali and Khan19. Mankind were but one community (i.e. on one religion - Islâmic Monotheism), then they differed (later); and had not it been for a Word that went forth before from your Lord, it would have been settled between them regarding what they differed[5].