Verse meaning
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The whole of mankind was but a single community, then they differed[1]. If it had not been for a prior decree from your Lord, a decisive judgment would have been passed between them concerning their differences[2].
Source
[1] Ibn ‘Abbās (رضى الله عنهما) reported: “The time between Adam and Noah was ten centuries. Throughout these, people were on the right path of Allah, but then they started disputing [over matters of Faith, i.e., idol worshiping]. So, Allah sent prophets bearing glad tiding and warning”. [Al-Hākim, Al-Mustadrak: 2:546, cf. Al-Tabarī] [2] i.e., not to punish anyone before evidence has come to him, or not to judge between them in this life.
Source: QuranEnc.com · English Translation - Rowwad Translation Center
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