Al-Hijr - 9

﴿إِنَّا نَحْنُ نَزَّلْنَا الذِّكْرَ وَإِنَّا لَهُ لَحَافِظُونَ﴾

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(9) Indeed, it is We who sent down the message [i.e., the Qur’ān], and indeed, We will be its guardian.