الْأَعْرَاف·7:52وَلَقَدۡ جِئۡنٰهُمۡ بِكِتٰبٍ فَصَّلۡنٰهُ عَلٰى عِلۡمٍ هُدًى وَرَحۡمَةً لِّـقَوۡمٍ يُّؤۡمِنُوۡنَ And surely We have brought them such a Book (the Qur’an) which We have elucidated (i.e. made clear) on (the basis of Our) knowledge, a guidance and a mercy for those who believe.