وَما نُريهِم مِن آيَةٍ إِلّا هِيَ أَكبَرُ مِن أُختِها ۖ وَأَخَذناهُم بِالعَذابِ لَعَلَّهُم يَرجِعونَ

Every miracle We showed them was more significant than the one preceding it. And We afflicted them with plagues, so they might return.