49قُل فَأتوا بِكِتابٍ مِن عِندِ اللَّهِ هُوَ أَهدىٰ مِنهُما أَتَّبِعهُ إِن كُنتُم صادِقينَA. J. ArberrySay: 'Bring a Book from God that gives better guidance than these, and follow it, if you speak truly.'