Surah Al-Baqara Ayah #16 Translated in English
أُولَٰئِكَ الَّذِينَ اشْتَرَوُا الضَّلَالَةَ بِالْهُدَىٰ فَمَا رَبِحَتْ تِجَارَتُهُمْ وَمَا كَانُوا مُهْتَدِينَ
Those are the ones who have purchased error [in exchange] for guidance, so their transaction has brought no profit, nor were they guided.