كِتٰبٌ اُنْزِلَ اِلَيْكَ فَلَا يَكُنْ فِيْ صَدْرِكَ حَرَجٌ مِّنْهُ لِتُنْذِرَ بِهٖ وَذِكْرٰى لِلْمُؤْمِنِيْنَ ( الأعراف: ٢ )
Kitaabun unzila ilaika falaa yakum fee sadrika harajum minhu litunzira bihee wa zikraa lilmu'mineen (al-ʾAʿrāf 7:2)
[This is] a Book revealed to you, [O Muhammad] – so let there not be in your breast distress therefrom – that you may warn thereby and as a reminder to the believers. (Al-A'raf  : 2)
1 Mufti Taqi Usmani
(This is) a book sent down to you. Therefore, your heart must not be straitened because of it. (It is revealed to you) so that you may warn through it, and it may be an advice for the believers.