وَإِذَا أَذَقْنَا النَّاسَ رَحْمَةً فَرِحُوا بِهَا وَإِن تُصِبْهُمْ سَيِّئَةٌ بِمَا قَدَّمَتْ أَيْدِيهِمْ إِذَا هُمْ يَقْنَطُونَ

When We let people taste [Our] mercy, they boast about it; but should an ill visit them because of what their hands have sent ahead, behold, they become despondent!