16أُولٰئِكَ الَّذينَ اشتَرَوُا الضَّلالَةَ بِالهُدىٰ فَما رَبِحَت تِجارَتُهُم وَما كانوا مُهتَدينَZafar AnsariThese are the people who have bartered away Guidance for error, but this is a profitless bargain that they have made, and they are not at all on the right way.