وَإِن يُكَذِّبوكَ فَقَد كُذِّبَت رُسُلٌ مِن قَبلِكَ ۚ وَإِلَى اللَّهِ تُرجَعُ الأُمورُ

And if they deny you, [O Muhammad] - already were messengers denied before you. And to Allah are returned [all] matters.