(Ali-Imran) 3 : 157
وَلَئِنْ قُتِلْتُمْ فِي سَبِيلِ اللَّهِ أَوْ مُتُّمْ لَمَغْفِرَةٌ مِنَ اللَّهِ وَرَحْمَةٌ خَيْرٌ مِمَّا يَجْمَعُونَ

And if you are killed in the way of Lord Allah or if you die, surely the forgiveness and mercy from Allah are better than all that they are gathering.