فَإِنَّمَا يَسَّرْنَاهُ بِلِسَانِكَ لِتُبَشِّرَ بِهِ الْمُتَّقِينَ وَتُنذِرَ بِهِ قَوْمًا لُّدًّا

Indeed We have made it simple in your language so that you may give good news thereby to the Godwary and warn with it a disputatious lot.