proclaim if all mankind and jinns agree to bring an equivalent to the quran they will not be able to bring its equal – even if they were to help each other.
قل لئن اجتمعت الإنس والجن على أن يأتوا بمثل هذا القرآن لا يأتون بمثله ولو كان بعضهم لبعض ظهيرا