فَسيحوا فِي الأَرضِ أَربَعَةَ أَشهُرٍ وَاعلَموا أَنَّكُم غَيرُ مُعجِزِي اللَّهِ ۙ وَأَنَّ اللَّهَ مُخزِي الكافِرينَ

So travel freely, [O disbelievers], throughout the land [during] four months but know that you cannot cause failure to Allah and that Allah will disgrace the disbelievers.