Sura 7 Al-A'raf (The Heights), ayah 177

1. سَاءَ مَثَلًا الْقَوْمُ الَّذِينَ كَذَّبُوا بِآيَاتِنَا وَأَنْفُسَهُمْ كَانُوا يَظْلِمُونَ

   How evil an example (is that of) the people who denied Our signs and used to wrong themselves.

   7:177

Translation: Saheeh International