Surah Hud 11:118

وَلَوْ شَآءَ رَبُّكَ لَجَعَلَ ٱلنَّاسَ أُمَّةً وَٰحِدَةً ۖ وَلَا يَزَالُونَ مُخْتَلِفِينَ

And if your Lord had willed, He could have made mankind one community; but they will not cease to differ,

Translation: Saheeh International

Tafsir

Had your Lord willed He would have made mankind one community people of one religion but they continue to differ in religion

Excerpt from Tafsir al-Jalalayn, commentary on 11:118, via Quran.com. The reader has the full commentary and 9 more tafsirs.