اُولٰٓٮِٕكَ الَّذِيۡنَ اشۡتَرَوُا الضَّلٰلَةَ بِالۡهُدٰى فَمَا رَبِحَتۡ تِّجَارَتُهُمۡ وَمَا كَانُوۡا مُهۡتَدِيۡنَ
These are the people who have purchased misguidance for guidance; but their trade did not yield any gain and they did not know the way to (gainful and profitable) bargain.