And those who guard their private parts.
Except from their wives or their right hand possessions, for then, they are free from blame.
But whoever seeks beyond that, then those are the transgressors.
Those who are faithfully true to their Amanat and to their covenants are Ra`un.
And those who strictly guard their Salawat.
These are indeed the heirs.
Who shall inherit Firdaws. They shall dwell therein forever.
The Success is for the believers whose qualities are described here
(Successful indeed are the believers) means, they have attained victory and are blessed, for they have succeeded.