YUNUS — Ayat 19
وَمَا كَانَ النَّاسُ إِلاَّ أُمَّةً وَاحِدَةً فَاخْتَلَفُواْ وَلَوْلاَ كَلِمَةٌ سَبَقَتْ مِن رَّبِّكَ لَقُضِيَ بَيْنَهُمْ فِيمَا فِيهِ يَخْتَلِفُونَ
And mankind was not but one community [united in religion], but [then] they differed. And if not for a word that preceded from your Lord, it would have been judged between them [immediately] concerning that over which they differ.
Tafsir
And people were only one nation on one religion which is Islam, from Adam to Noah, and was told of the time of Abraham to Amr bin neighborhood Fajtlfoa that proved some of Kafr some but not a word preceded from your Lord delay penalty to the Day of Resurrection for spent including any people in the world with which differ from religion torturing unbelievers.