وَمَا نُرِيۡهِمۡ مِّنۡ اٰيَةٍ اِلَّا هِىَ اَكۡبَرُ مِنۡ اُخۡتِهَا وَاَخَذۡنٰهُمۡ بِالۡعَذَابِ لَعَلَّهُمۡ يَرۡجِعُوۡنَ
And never did We show them any sign but (that) it used to be far greater than the resembling sign preceding it. And (eventually) We seized them (many a time) with the torment so that they might desist (from the evil course).