لَقَدْ كَانَ فِى قَصَصِهِمْ عِبْرَةٌ لِّأُولِى ٱلْأَلْبَـٰبِ ۗ مَا كَانَ حَدِيثًا يُفْتَرَىٰ وَلَـٰكِن تَصْدِيقَ ٱلَّذِى بَيْنَ يَدَيْهِ وَتَفْصِيلَ كُلِّ شَىْءٍ وَهُدًى وَرَحْمَةً لِّقَوْمٍ يُؤْمِنُونَ

Laqad kana fee qasasihimAAibratun li-olee al-albabi ma kana hadeethanyuftara walakin tasdeeqa allatheebayna yadayhi watafseela kulli shay-in wahudan warahmatanliqawmin yu/minoon

There was certainly in their stories a lesson for those of understanding. Never was it [i.e., the Qur’ān] a narration invented, but a confirmation of what was before it and a detailed explanation of all things and guidance and mercy for a people who believe.