Laqad kaana fee qasasihim 'ibratul li ulil albaa; maa kaana hadeesany yuftaraa wa laakin tasdeeqal lazee baina yadihi wa tafseela kulli shai'inw wa hudanw wa rahmatal liqawminy yu'minoon
Certainly in the stories of the bygone people there is a lesson for people of understanding. What is being narrated in the Qur'an is no fabrication; it is rather confirmation of the Books that preceded it, and a detailed exposition of everything, and a guidance and mercy for people of faith.