Surah Adh-Dhariyat, ayah 55

وَذَكِّرۡ فَإِنَّ ٱلذِّكۡرَىٰ تَنفَعُ ٱلۡمُؤۡمِنِينَ ٥٥

Wadhakkir fa innadh-dhikrā tanfa'ul-mu'minīn

And remind, for indeed, the reminder benefits the believers.