Surah Al-A'raf (The Heights), Verse 52

وَلَقَدْ جِئْنٰهُمْ بِكِتٰبٍ فَصَّلْنٰهُ عَلٰی عِلْمٍ هُدًی وَّرَحْمَةً لِّقَوْمٍ یُّؤْمِنُوْنَ ۟

Wa laqad ji'naahum bi Kitaabin fassalnaahu 'alaa 'ilmin hudanw wa rahmatal liqawminy-yu'minoon

“For We had certainly sent unto them a Book, based on knowledge, which We explained in detail,- a guide and a mercy to all who believe.”

Quran 7:52 (Yusuf Ali Translation)