(Ali-Imran) 3 : 169
وَلَا تَحْسَبَنَّ الَّذِينَ قُتِلُوا فِي سَبِيلِ اللَّهِ أَمْوَاتًا ۚ بَلْ أَحْيَاءٌ عِنْدَ رَبِّهِمْ يُرْزَقُونَ
And you shouldn’t reckon those who are killed in the way of Lord Allah as dead; nay, they are living near their Lord enjoying their sustenance.