16أُولٰئِكَ الَّذينَ اشتَرَوُا الضَّلالَةَ بِالهُدىٰ فَما رَبِحَت تِجارَتُهُم وَما كانوا مُهتَدينَFaridul HaqueThese are the people who purchased error in exchange of guidance – so their bargain did not profit them, and they did not know how to trade.