Then if they reject you, so were Messengers rejected before you, who came with Al-Baiyyinat and the Scripture, and the Book of Enlightenment.meaning, do not be sad because they deny you, for you have an example in the Messengers who came before you. These Messengers were rejected although they brought clear proofs, plain evidence and unequivocal signs. وَالزُّبُرِ (and the Zubur), the divinely revealed Books that were sent down to the Messengers, وَالْكِتَابِ الْمُنِيرِ (and the Book of Enlightenment) meaning the clarification and best explanation