﴿ سَآءَ مَثَلًا ٱلْقَوْمُ ٱلَّذِينَ كَذَّبُوا۟ بِـَٔايَٰتِنَا وَأَنفُسَهُمْ كَانُوا۟ يَظْلِمُونَ ﴾

“Evil is the example of people who are bent on giving the lie to Our messages: for it is against their own selves that they are sinning!”

Evil as an example are the people evil is the example of the people who denied Our signs and were wont to wrong themselves through denial.