Monotheists are mentioned in the Quran in these verses:
[3:67] Abraham was neither Jewish, nor Christian; he was a monotheist submitter. He never was an idol worshiper.
[16:120] Abraham was indeed an exemplary vanguard in his submission to God, a monotheist who never worshiped idols.
[16:121] Because he was appreciative of His Lord’s blessings, He chose him and guided him in a straight path.
[16:122] We granted him happiness in this life, and in the Hereafter he will be with the righteous.
[16:123] Then we inspired you (Muhammad) to follow the religion of Abraham, the monotheist; he never was an idol worshiper.
To learn more, read the Quran in English.
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