Surah Al-Baqarah 2:154
وَلَا تَقُولُوا۟ لِمَن يُقْتَلُ فِى سَبِيلِ ٱللَّهِ أَمْوَٰتٌۢ ۚ بَلْ أَحْيَآءٌ وَلَٰكِن لَّا تَشْعُرُونَ ١٥٤
EnglishSahih International
And do not say about those who are killed in the way of Allah, "They are dead." Rather, they are alive, but you perceive [it] not.