the afterlife and spiritual reality

وَلَا تَقُولُوا۟ لِمَن يُقْتَلُ فِى سَبِيلِ ٱللَّهِ أَمْوَٰتٌۢ ۚ بَلْ أَحْيَآءٌ وَلَـٰكِن لَّا تَشْعُرُونَ

And do not say about those who are killed in the way of Allāh, "They are dead." Rather, they are alive, but you perceive [it] not.

وَلَا تَحْسَبَنَّ ٱلَّذِينَ قُتِلُوا۟ فِى سَبِيلِ ٱللَّهِ أَمْوَٰتًۢا ۚ بَلْ أَحْيَآءٌ عِندَ رَبِّهِمْ يُرْزَقُونَ

And never think of those who have been killed in the cause of Allāh as dead. Rather, they are alive with their Lord, receiving provision,