Quran 2:154 from Surah Al-Baqara on Divine Marvels.
وَلَا تَقُولُواْ لِمَن يُقۡتَلُ فِي سَبِيلِ ٱللَّهِ أَمۡوَٰتُۢۚ بَلۡ أَحۡيَآءٞ وَلَٰكِن لَّا تَشۡعُرُونَ
English translation: And (do) not say for (the ones) who are slain in (the) way (of) Allah (They are) dead Nay (they are) alive [and] but you (do) not perceive
Transliteration: wala taqulu liman yuq'talu fi sabili al-lahi amwatun bal ahyaon walakin la tash'uruna