ذَٰلِكَ بِأَنَّهُمْ كَانَتْ تَأْتِيهِمْ رُسُلُهُمْ بِالْبَيِّنَاتِ فَكَفَرُوا فَأَخَذَهُمُ اللَّهُ ۚ إِنَّهُ قَوِيٌّ شَدِيدُ الْعِقَابِ 22
That was because there came to them their messengers with Clear (Signs), but they rejected them: So Allah called them to account: for He is Full of Strength, Strict in Punishment.