Al-A'raf 7:2

Kitabun onzila ilayka falayakun fee sadrika harajun minhu litunthirabihi wathikra lilmu/mineen

[This is] a Book revealed to you, [O Muḥammad] - so let there not be in your breast distress therefrom - that you may warn thereby and as a reminder to the believers.

(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.