7:52
وَلَقَدْ جِئْنَـٰهُم بِكِتَـٰبٍ فَصَّلْنَـٰهُ عَلَىٰ عِلْمٍ هُدًى وَرَحْمَةً لِّقَوْمٍ يُؤْمِنُونَ
walaqad ji'nāhum bikitābin faṣṣalnāhu ʿalā ʿil'min hudan waraḥmatan liqawmin yu'minūna
We have brought people a Scripture- We have explained it on the basis of true knowledge- as guidance and mercy for those who believe.
Certainly, We have brought them a Book (the Qur’ân) which We have explained in detail with knowledge, - a guidance and a mercy to a people who believe.