50. The allusion is to the pagans of Arabia, who did not believe in any divine Book.
51. That is, the common people who are following their leaders, chiefs, saints and rulers blindly, and are not prepared to listen to any word of advice from a well-wisher against them. When the same people will sec the actual reality and will also remember how their religious leaders used to misrepresent things, and when they will realize what doom they are going to meet on account of following their leaders, they will turn on them, and say, “O wretched people, you led us astray: you are responsible for all our afflictions. Had you not misguided us, we would have listened to the Messengers of Allah and believed in what they said.