Al-Anbya 21:10

Laqad anzalna ilaykum kitabanfeehi thikrukum afala taAAqiloon

We have certainly sent down to you a Book [i.e., the Qur’ān] in which is your mention. Then will you not reason?

Surely, We have sent down to you (O people of Arabia) a book having a good counsel for you. So, do you not understand?