Surah Aal-i-Imraan, Verse 157
Translation — Sahih International
And if you are killed in the cause of Allah or die - then forgiveness from Allah and mercy are better than whatever they accumulate [in this world].
Source
Kur'an-ı Kerim, Âl-i İmrân Suresi 3:157
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/3-suresi-157-ayet