وَلَقَدْ جِئْنَٰهُم بِكِتَٰبٍ فَصَّلْنَٰهُ عَلَىٰ عِلْمٍ هُدًى وَرَحْمَةً لِّقَوْمٍ يُؤْمِنُونَ

And certainly We have brought them a Book which We have made clear with knowledge, a guidance and a mercy for a people who believe.