وَلَقَدْ جِئْنَـٰهُم بِكِتَـٰبٍ فَصَّلْنَـٰهُ عَلَىٰ عِلْمٍ هُدًى وَرَحْمَةً لِّقَوْمٍ يُؤْمِنُونَ
TranslationSahih International
"And We had certainly brought them a Book which We detailed by knowledge - as guidance and mercy to a people who believe."