Surah Al Imran 3:157

ﳔ ﳕ ﳖ ﳗ ﳘ ﳙ ﳚ ﳛ ﳜ ﳝ ﳞ ﳟ ﳠ ﳡ

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].