وَما آتَيناهُم مِن كُتُبٍ يَدرُسونَها ۖ وَما أَرسَلنا إِلَيهِم قَبلَكَ مِن نَذيرٍ

And We had not given them any scriptures which they could study, and We had not sent to them before you, [O Muhammad], any warner.