﴿ أَلَآ إِنَّهُمْ هُمُ ٱلْمُفْسِدُونَ وَلَٰكِن لَّا يَشْعُرُونَ ﴾

“Oh, verily, it is they, they who are spreading corruption but they perceive it not?”

(They are indeed the mischief mongers) by being a hindrance. (But they perceive not): the followers do not know that their leaders mislead them.