Allah subhanahu wa ta'ala says, Say, "Shall We tell you about those who have lost the most in their deeds?" That is, those whose deeds have been in vain in the life of this world, while they think they are doing their best. against the verses of their Lord and (disbelief towards) encounter with Him, their deeds fall down and We do not hold a judgment for their (practices) on the Day of Resurrection."
QS. Al-Kahf: 103-105