وَمَا نُرِيهِم مِّنْ ءَايَةٍ إِلَّا هِىَ أَكْبَرُ مِنْ أُخْتِهَا ۖ وَأَخَذْنَـٰهُم بِٱلْعَذَابِ لَعَلَّهُمْ يَرْجِعُونَ

Wama nureehim min ayatin illahiya akbaru min okhtiha waakhathnahum bilAAathabilaAAallahum yarjiAAoon

And We showed them not a sign except that it was greater than its sister, and We seized them with affliction that perhaps they might return [to faith].