51:55

وَذَكِّرْ فَإِنَّ الذِّكْرَىٰ تَنفَعُ الْمُؤْمِنِينَ

Transliteration:

Wathakkir fa-inna alththikra tanfaAAu almu/mineena

Word by Word:

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

Translations:

yet go on reminding [all who would listen]: for, verily, such a reminder will profit the believers.

But teach (thy Message) for teaching benefits the Believers.

And warn, for warning profiteth believers.

And remind, for reminding profits the believers.

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